inform((_:search,day,'saturday');(_:search,destination,"london king 's cross");(_:search,type,'Train'))
user
I need some help locating a train for Saturday , heading to London King 's Cross .
request((_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Where will you be departing from , and what time would you like to travel ?
inform((_:search,departure,'cambridge');(_:search,leave_at,'12:15');(_:search,type,'Train'))
user
I 'll be departing from Cambridge and would like to leave at 12:15 .
inform((_:result,arrive_by,'13:51');(_:result,destination,'London Kings Cross');(_:result,leave_at,'13:00');(_:result,type,'Train')) canthelp((_:search,leave_at,'12:15');(_:search,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
There is n't a train that leaves at 12:15 . The closest one leaves at 13:00 and arrives in London Kings Cross at 13:51 . Shall I book it for you ?
inform((_:search,people,'5');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
That would be perfect . Book it for 5 people please and send me the reference number .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'AJTE5TLW');(_:booking,ticket,'94.4 GBP');(_:booking,type,'Booking'))
system
Okay , the booking was successful , the total fee is 94.4 GBP payable at the station . 
 Your reference number is : AJTE5TLW .   Is there anything else I can do for you ?
inform((_:search,category,'hotel');(_:search,pricerange,'cheap');(_:search,type,'Hotel'))
user
I also need a cheap hotel .
request((_:search,area,?);(_:search,type,'Hotel'))
system
What area would you like to stay in ?
inform((_:search,area,'north');(_:search,type,'Hotel'))
user
I would like to stay in the north please .
select((_:result,name,'city centre north b and b');(_:result,name,'worth house');(_:result,stars,'4');(_:result,stars,'zero');(_:result,type,'Hotel')) inform((_:result,category,'guesthouses');(_:result,count,'2');(_:result,type,'Hotel'))
system
There are two guesthouses fulfilling your requirements . Do you prefer city centre north b and b with zero stars or worth house with 4 stars ?
inform((_:search,category,'hotel');(_:search,pricerange,'moderate');(_:search,type,'Hotel'))
user
Um , I would prefer a hotel rather than a guesthouse . How about the moderate price range ?
inform((_:result,name,'Ashley Hotel');(_:result,type,'Hotel')) offer((_:booking,type,'Booking')) inform((_:result,category,'hotels');(_:result,count,'2');(_:result,type,'Hotel'))
system
We have two hotels that meet your criteria . I 'd recommend the Ashley Hotel . Would you like to make a booking ?
inform((_:search,day,'thursday');(_:search,people,'5');(_:search,stay,'2');(_:search,type,'Hotel'))
user
Yes I would , for 5 people please for 2 nights starting on Thursday .
reqmore() inform((_:booking,ref,'RF3EBI6I');(_:booking,type,'Booking'))
system
Booking was successful . Reference number is : RF3EBI6I . Anything else I can help with ?
thank()
user
That is all . Thanks so much !
system
thank you for using this service good bye
_:search day saturday
_:search destination london king 's cross
_:search type Train
_:search day saturday
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:search type Train
_:search day saturday
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:result arrive_by 13:51
_:result destination London Kings Cross
_:result leave_at 13:00
_:result type Train
_:system canthelp _:search/f02a655f
_:search/f02a655f leave_at 12:15
_:search/f02a655f type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 5
_:search type Train
_:result ref ?
_:search day saturday
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:result arrive_by 13:51
_:result destination London Kings Cross
_:result leave_at 13:00
_:result type Train
_:system canthelp _:search/f02a655f
_:search/f02a655f leave_at 12:15
_:search/f02a655f type Train
_:system offered _:booking
_:search people 5
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking ref AJTE5TLW
_:booking ticket 94.4 GBP
_:booking type Booking
_:search category hotel
_:search pricerange cheap
_:search type Hotel
_:search day saturday
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:result arrive_by 13:51
_:result destination London Kings Cross
_:result leave_at 13:00
_:result type Train
_:system canthelp _:search/f02a655f
_:search/f02a655f leave_at 12:15
_:search/f02a655f type Train
_:system offered _:booking
_:search people 5
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking ref AJTE5TLW
_:booking ticket 94.4 GBP
_:booking type Booking
_:search category hotel
_:search pricerange cheap
_:search area north
_:search type Hotel
_:search day saturday
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:result arrive_by 13:51
_:result destination London Kings Cross
_:result leave_at 13:00
_:system canthelp _:search/f02a655f
_:search/f02a655f leave_at 12:15
_:search/f02a655f type Train
_:system offered _:booking
_:search people 5
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking ref AJTE5TLW
_:booking ticket 94.4 GBP
_:booking type Booking
_:search area north
_:result name city centre north b and b
_:result name worth house
_:result stars 4
_:result stars zero
_:result category guesthouses
_:result count 2
_:result type Hotel
_:search category hotel
_:search pricerange moderate
_:search type Hotel
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:result arrive_by 13:51
_:result destination London Kings Cross
_:result leave_at 13:00
_:system canthelp _:search/f02a655f
_:search/f02a655f leave_at 12:15
_:search/f02a655f type Train
_:system offered _:booking
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking ref AJTE5TLW
_:booking ticket 94.4 GBP
_:booking type Booking
_:search area north
_:result stars 4
_:result stars zero
_:search category hotel
_:search pricerange moderate
_:result name Ashley Hotel
_:result category hotels
_:result count 2
_:result type Hotel
_:search day thursday
_:search people 5
_:search stay 2
_:search type Hotel
_:search destination london king 's cross
_:search departure cambridge
_:search leave_at 12:15
_:result arrive_by 13:51
_:result destination London Kings Cross
_:result leave_at 13:00
_:system canthelp _:search/f02a655f
_:search/f02a655f leave_at 12:15
_:search/f02a655f type Train
_:system offered _:booking
_:result ref ?
_:booking category Train
_:booking ticket 94.4 GBP
_:search area north
_:result stars 4
_:result stars zero
_:search category hotel
_:search pricerange moderate
_:result name Ashley Hotel
_:result category hotels
_:result count 2
_:result type Hotel
_:search day thursday
_:search people 5
_:search stay 2
_:search type Hotel
_:system inquired _:user
_:booking ref RF3EBI6I
_:booking type Booking