inform((_:search,food,'indian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Hi I am looking for a expensive restaurant that serves indian food
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,count,'14');(_:result,type,'Restaurant'))
system
There are 14 options .   Is there an area of the city that you would prefer ?
inform((_:search,area,'north');(_:search,type,'Restaurant'))
user
Yes , I 'd like for the restaurant to be in the north .
inform((_:result,count,'2');(_:result,name,'Nirala');(_:result,name,'royal spice');(_:result,pricerange,'cheap');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
There are two restaurants . The Nirala which is moderate and the royal spice which is cheap .
inform((_:search,food,'french');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I was looking for expensive . How about an expensive restaurant that serves French food ?
inform((_:result,food,'French');(_:result,name,'Restaurant two two');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
Restaurant two two 	 is an expensive French restaurant .
inform((_:search,day,'tuesday');(_:search,duration,'17:00');(_:search,people,'7');(_:search,type,'Restaurant'))
user
Please book it for 7 people at 17:00 on tuesday .
reqmore() inform((_:booking,ref,'L0BPH6QY');(_:booking,type,'Booking'))
system
Great . Your reference number is L0BPH6QY . Please arrive on time because they will only hold the reservation for 15 minutes . Anything else ?
inform((_:search,arrive_by,'10:45');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I could also use some help finding a train into Cambridge that will get me there by 10:45 .
request((_:search,day,?);(_:search,departure,?);(_:search,type,'Train'))
system
Certainly , what day and departure site would you like to find a train for ?
inform((_:search,day,'tuesday');(_:search,departure,'bishops stortford');(_:search,type,'Train'))
user
I need it for tuesday as well and it should depart from bishops stortford .
inform((_:result,arrive_by,'10:07');(_:result,id,'TR0635');(_:result,leave_at,'09:29');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The TR0635 train leaves at 09:29 and arrives at 10:07 . Does that work for you ?
request((_:result,duration,?);(_:result,type,'Train'))
user
That will work just fine . What 's the travel time for that train , please ?
inform((_:result,duration,'38 minutes');(_:result,type,'Train'))
system
The travel time is 38 minutes .
inform((_:search,people,'7');(_:search,type,'Train'))
user
Thank you can , you book me for 7 people on that train ?
inform((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Absolutely !   Your booking was successful .   Would you like the reference number ?
thank()
user
No , that 's okay . That is all I need for today . Thank you .
system
Let me give you the reference number 0FE8N2XB for your records . If there is nothing else , then thank you for calling Cambridge TownInfo centre . Good bye .
_:search food indian
_:search pricerange expensive
_:search type Restaurant
_:search food indian
_:search pricerange expensive
_:result count 14
_:result type Restaurant
_:search area north
_:search type Restaurant
_:search area north
_:result count 2
_:result name Nirala
_:result name royal spice
_:result pricerange cheap
_:result pricerange moderate
_:result type Restaurant
_:search food french
_:search pricerange expensive
_:search type Restaurant
_:search area north
_:result count 2
_:search food french
_:search pricerange expensive
_:result food French
_:result name Restaurant two two
_:result pricerange expensive
_:result type Restaurant
_:search day tuesday
_:search duration 17:00
_:search people 7
_:search type Restaurant
_:search area north
_:result count 2
_:search food french
_:search pricerange expensive
_:result food French
_:result name Restaurant two two
_:result pricerange expensive
_:result type Restaurant
_:search day tuesday
_:search duration 17:00
_:search people 7
_:system inquired _:user
_:booking ref L0BPH6QY
_:booking type Booking
_:search arrive_by 10:45
_:search destination cambridge
_:search type Train
_:search area north
_:result count 2
_:search food french
_:search pricerange expensive
_:result food French
_:result name Restaurant two two
_:result pricerange expensive
_:result type Restaurant
_:search duration 17:00
_:search people 7
_:system inquired _:user
_:booking ref L0BPH6QY
_:booking type Booking
_:search arrive_by 10:45
_:search destination cambridge
_:search day tuesday
_:search departure bishops stortford
_:search type Train
_:search area north
_:result count 2
_:search food french
_:search pricerange expensive
_:result food French
_:result name Restaurant two two
_:result pricerange expensive
_:search duration 17:00
_:search people 7
_:system inquired _:user
_:booking ref L0BPH6QY
_:booking type Booking
_:search arrive_by 10:45
_:search destination cambridge
_:search day tuesday
_:search departure bishops stortford
_:search type Train
_:result arrive_by 10:07
_:result id TR0635
_:result leave_at 09:29
_:result type Train
_:system offered _:booking
_:booking category Train
_:result duration ?
_:search area north
_:result count 2
_:search food french
_:search pricerange expensive
_:result food French
_:result name Restaurant two two
_:result pricerange expensive
_:search duration 17:00
_:system inquired _:user
_:booking ref L0BPH6QY
_:booking type Booking
_:search arrive_by 10:45
_:search destination cambridge
_:search day tuesday
_:search departure bishops stortford
_:result arrive_by 10:07
_:result id TR0635
_:result leave_at 09:29
_:system offered _:booking
_:booking category Train
_:result duration 38 minutes
_:result type Train
_:search people 7
_:search type Train
_:search area north
_:result count 2
_:search food french
_:search pricerange expensive
_:result food French
_:result name Restaurant two two
_:result pricerange expensive
_:search duration 17:00
_:system inquired _:user
_:booking ref L0BPH6QY
_:search arrive_by 10:45
_:search destination cambridge
_:search day tuesday
_:search departure bishops stortford
_:result arrive_by 10:07
_:result id TR0635
_:result leave_at 09:29
_:system offered _:booking
_:result duration 38 minutes
_:result type Train
_:search people 7
_:search type Train
_:booking category Train
_:booking type Booking