inform((_:search,day,'wednesday');(_:search,departure,'broxbourne');(_:search,type,'Train'))
user
I need a train leaving broxbourne on wednesday .   Can you book it for me ?
request((_:search,destination,?);(_:search,type,'Train'))
system
Sure ! What is your destination ?
inform((_:search,arrive_by,'11:45');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I need to arrive in Cambridge by 11:45 .
inform((_:result,arrive_by,'11:32');(_:result,destination,'Cambridge');(_:result,id,'TR1819');(_:result,leave_at,'10:32');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have train TR1819 that leaves at 10:32 and arrives in Cambridge at 11:32 . Would that work for you ?
request((_:result,ticket,?);(_:result,type,'Train'))
user
yeah , what 's the price of the tickets ?
inform((_:result,ticket,'17.90 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The price of the tickets is 17.90 pounds . Shall I make a booking for you ?
inform((_:search,area,'north');(_:search,pricerange,'cheap');(_:search,type,'Hotel'))
user
Yes , please . I 'm also looking for a hotel that 's cheap and in the north .
canthelp((_:search,area,'north');(_:search,category,'hotels');(_:search,pricerange,'cheap');(_:search,type,'Hotel')) inform((_:result,category,'guesthouses');(_:result,count,'2');(_:result,type,'Hotel'))
system
There are no cheap hotels in the north but there are 2 guesthouses . Will those work ?
user
That sounds fine .
inform((_:result,name,'Worth House');(_:result,stars,'4');(_:result,type,'Hotel'))
system
Which one would you be interested in ? I recommend Worth House because it is 4 stars .
inform((_:search,area,'north');(_:search,category,'hotel');(_:search,pricerange,'moderate');(_:search,type,'Hotel')) request((_:result,ticket,?);(_:result,type,'Train'))
user
Actually , can you try a moderate price hotel in the north instead ?   Sorry for the trouble .
request((_:search,has_internet,?);(_:search,has_parking,?);(_:search,stars,?);(_:search,type,'Hotel')) inform((_:result,count,'11');(_:result,type,'Hotel'))
system
We have 11 options that meet your criteria . Would you like to narrow it down by stars , internet , or parking ?
inform((_:search,has_internet,'no');(_:search,type,'Hotel'))
user
Yeah , I do n't need internet . Other than that , could you just recoomend one that has a reasonable number of stars ?
inform((_:result,area,'north');(_:result,name,'alpha - milton guest house');(_:result,pricerange,'moderately priced');(_:result,type,'Hotel'))
system
How about the alpha - milton guest house ?   It 's in the north and moderately priced .
user
that will be fine . book it for me
request((_:booking,people,?);(_:booking,stay,?);(_:booking,type,'Booking'))
system
How many people and for how many nights ?
inform((_:search,day,'same day');(_:search,people,'2');(_:search,stay,'5');(_:search,type,'Hotel'))
user
book it for 2 people and 5 nights starting from the same day .
offer((_:booking,type,'Booking'))
system
I will book it for you now .
request((_:result,ref,?);(_:result,type,'Hotel'))
user
Thank you . I will also need the booking reference number .
inform((_:booking,ref,'XML9YIR2');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : XML9YIR2 .
thank()
user
Great ! Thank you that 's all I needed !
offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I see the train was not booked . Would you like me to book it now ?
inform((_:search,category,'hotel');(_:search,pricerange,'cheap');(_:search,type,'Hotel'))
user
Please do so , thank you . After that , I need a cheap hotel .
request((_:search,people,?);(_:search,type,'Train'))
system
How many tickets in total would you like me to purchase for you on train TR1819 ?
inform((_:search,people,'2');(_:search,type,'Train'))
user
I need it for 2 people .
inform((_:booking,category,'Train');(_:booking,ref,'AMA9OE5J');(_:booking,type,'Booking'))
system
Okay ! I was able to book that for you and your reference number is   AMA9OE5J .
thank()
user
Okay . Thank you so much for help .
system
Okay . Thank you for calling .
_:search day wednesday
_:search departure broxbourne
_:search type Train
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:search type Train
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:search type Train
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ticket ?
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ticket 17.90 pounds
_:result type Train
_:search area north
_:search pricerange cheap
_:search type Hotel
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ticket 17.90 pounds
_:search area north
_:search pricerange cheap
_:search type Hotel
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result count 2
_:result type Hotel
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result count 2
_:result name Worth House
_:result stars 4
_:result type Hotel
_:search area north
_:search category hotel
_:search pricerange moderate
_:search type Hotel
_:result ticket ?
_:result type Train
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result name Worth House
_:result stars 4
_:search area north
_:search category hotel
_:search pricerange moderate
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:result type Hotel
_:search has_internet no
_:search type Hotel
_:search day wednesday
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:search category hotel
_:search pricerange moderate
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:search type Hotel
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:search category hotel
_:search pricerange moderate
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:booking people ?
_:booking stay ?
_:booking type Booking
_:search day same day
_:search people 2
_:search stay 5
_:search type Hotel
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:search category hotel
_:search pricerange moderate
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:booking people ?
_:booking stay ?
_:booking type Booking
_:search day same day
_:search people 2
_:search stay 5
_:search type Hotel
_:result ref ?
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:search category hotel
_:search pricerange moderate
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:booking people ?
_:booking stay ?
_:search day same day
_:search people 2
_:search stay 5
_:search type Hotel
_:result ref ?
_:booking ref XML9YIR2
_:booking type Booking
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:booking people ?
_:booking stay ?
_:search day same day
_:search people 2
_:search stay 5
_:result ref ?
_:booking ref XML9YIR2
_:booking type Booking
_:search category hotel
_:search pricerange cheap
_:search type Hotel
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:booking category Train
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:booking people ?
_:booking stay ?
_:search day same day
_:search stay 5
_:result ref ?
_:booking ref XML9YIR2
_:booking type Booking
_:search category hotel
_:search pricerange cheap
_:search people 2
_:search type Train
_:search departure broxbourne
_:search arrive_by 11:45
_:search destination cambridge
_:result arrive_by 11:32
_:result destination Cambridge
_:result id TR1819
_:result leave_at 10:32
_:system offered _:booking
_:result ticket 17.90 pounds
_:system canthelp _:search/c5055abe
_:search/c5055abe area north
_:search/c5055abe category hotels
_:search/c5055abe pricerange cheap
_:search/c5055abe type Hotel
_:result category guesthouses
_:result stars 4
_:search area north
_:result ticket ?
_:search has_parking ?
_:search stars ?
_:result count 11
_:search has_internet no
_:result area north
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result type Hotel
_:booking people ?
_:booking stay ?
_:search day same day
_:search stay 5
_:result ref ?
_:search category hotel
_:search pricerange cheap
_:search people 2
_:search type Train
_:booking category Train
_:booking ref AMA9OE5J
_:booking type Booking