inform((_:search,food,'thai');(_:search,type,'Restaurant'))
user
Can you help me find some Thai food to eat tonight ?
request((_:search,area,?);(_:search,type,'Restaurant'))
system
What area of town would you prefer ?
inform((_:search,area,'dontcare');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I do n't care where , just as long as it 's expensive !
select((_:result,name,'Bangkok City');(_:result,name,'Sala Thong');(_:result,type,'Restaurant')) thank()
system
Understood . You have a choice between Sala Thong and Bangkok City .
inform((_:search,day,'monday');(_:search,duration,'11:45');(_:search,name,'sala thong');(_:search,people,'2');(_:search,type,'Restaurant'))
user
Sala Thong sounds good . Please make a booking for 2 at 11:45 on Monday
reqmore() inform((_:booking,ref,'RARTE3OH');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : RARTE3OH . is there anything else i can help you with ?
inform((_:search,type,'Train'))
user
yeah i need a train too
request((_:search,departure,?);(_:search,type,'Train'))
system
Where will you be leaving from ?
inform((_:search,arrive_by,'11:00');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
I 'll need to arrive by 11:00 and it should be going to london liverpool street .
inform((_:result,count,'21');(_:result,type,'Train')) request((_:search,day,?);(_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
There are 21 trains available . Would you like to narrow it down by departure site , day , or departure time ?
inform((_:search,arrive_by,'10:30');(_:search,day,'tuesday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
Let 's pick something arriving between 11:00 and 10:30 . It needs to depart from cambridge and leave on tuesday .
inform((_:result,amount,'closest arrival time to 11:00');(_:result,arrive_by,'9:27');(_:result,destination,'London Liverpool Street');(_:result,id,'TR4259');(_:result,type,'Train')) request((_:search,people,?);(_:search,type,'Train'))
system
Train TR4259 arrives in London Liverpool Street at 9:27 . It 's the closest arrival time to 11:00 . How many tickets would you like to book ?
inform((_:search,people,'2');(_:search,type,'Train'))
user
I would like 2 tickets please .
inform((_:booking,category,'Train');(_:booking,id,'TR4259');(_:booking,people,'2');(_:booking,ref,'FNRSFZWB');(_:booking,ticket,'33.2 GBP');(_:booking,type,'Booking'))
system
Your reservation for 2 on the TR4259 train was successful , the total fee is 33.2 GBP payable at the station . Your Reference number is : FNRSFZWB
inform((_:search,type,'Restaurant');(_:search,type,'Train'))
user
Thank you so much . The restaurant and train are all I need for now . Have a great day . Goodbye .
system
Ok ! Have a great day !
_:search food thai
_:search type Restaurant
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:search type Restaurant
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:result name Bangkok City
_:result name Sala Thong
_:result type Restaurant
_:search day monday
_:search duration 11:45
_:search name sala thong
_:search people 2
_:search type Restaurant
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:result name Bangkok City
_:result name Sala Thong
_:result type Restaurant
_:search day monday
_:search duration 11:45
_:search name sala thong
_:search people 2
_:system inquired _:user
_:booking ref RARTE3OH
_:booking type Booking
_:search type Train
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:result name Bangkok City
_:result name Sala Thong
_:result type Restaurant
_:search day monday
_:search duration 11:45
_:search name sala thong
_:search people 2
_:system inquired _:user
_:booking ref RARTE3OH
_:booking type Booking
_:search departure ?
_:search arrive_by 11:00
_:search destination london liverpool street
_:search type Train
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:result name Bangkok City
_:result name Sala Thong
_:search duration 11:45
_:search name sala thong
_:search people 2
_:system inquired _:user
_:booking ref RARTE3OH
_:booking type Booking
_:search destination london liverpool street
_:result count 21
_:result type Train
_:search leave_at ?
_:search arrive_by 10:30
_:search day tuesday
_:search departure cambridge
_:search type Train
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:result name Bangkok City
_:result name Sala Thong
_:search duration 11:45
_:search name sala thong
_:system inquired _:user
_:booking ref RARTE3OH
_:booking type Booking
_:search destination london liverpool street
_:result count 21
_:search leave_at ?
_:search arrive_by 10:30
_:search day tuesday
_:search departure cambridge
_:result amount closest arrival time to 11:00
_:result arrive_by 9:27
_:result destination London Liverpool Street
_:result id TR4259
_:result type Train
_:search people 2
_:search type Train
_:search food thai
_:search area dontcare
_:search pricerange expensive
_:result name Bangkok City
_:result name Sala Thong
_:search duration 11:45
_:search name sala thong
_:system inquired _:user
_:search destination london liverpool street
_:result count 21
_:search leave_at ?
_:search arrive_by 10:30
_:search day tuesday
_:search departure cambridge
_:result amount closest arrival time to 11:00
_:result arrive_by 9:27
_:result destination London Liverpool Street
_:result id TR4259
_:result type Train
_:search people 2
_:booking category Train
_:booking id TR4259
_:booking people 2
_:booking ref FNRSFZWB
_:booking ticket 33.2 GBP
_:booking type Booking
_:search type Restaurant
_:search type Train