inform((_:search,type,'Restaurant'))
user
Can you help me find a place to eat ?
request((_:search,food,?);(_:search,type,'Restaurant'))
system
What sort of food are you looking to eat ?
inform((_:search,area,'west');(_:search,food,'indiian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'm looking for an expensive indiian restaurant in the west part of town .
offer((_:booking,type,'Booking')) inform((_:result,count,'5');(_:result,name,'the tandoori palace');(_:result,type,'Restaurant'))
system
There are 5 options to choose from , I recommend the tandoori palace . Would you like me to make reservations for you ?
inform((_:search,day,'wednesday');(_:search,duration,'19:45');(_:search,people,'1');(_:search,type,'Restaurant'))
user
That sounds great . I need a table for 1 on Wednesday at 19:45 .
inform((_:booking,ref,'DGO6TW9S');(_:booking,type,'Booking'))
system
Your booking was successful . Your table will be reserved for 15 minutes . The reference number is DGO6TW9S .
inform((_:search,day,'thursday');(_:search,type,'Train'))
user
Okay I also need a train that leaves on Thursday .
request((_:search,departure,?);(_:search,type,'Train'))
system
Sure where are you departing from ?
inform((_:search,arrive_by,'09:00');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
I need to get to London Liverpool Street by 09:00 .
inform((_:result,arrive_by,'07:27');(_:result,departure,'cambridge');(_:result,destination,'liverpool street');(_:result,id,'TR4127');(_:result,leave_at,'05:59');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Ok , your best bet to get from cambridge to liverpool street is TR4127 , leaving at 05:59 , arriving at 07:27 . Would you like me to book a seat ?
inform((_:search,people,'1');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Yes for 1 person . i 'll also need the reference number .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'QGJMVZR4');(_:booking,ticket,'16.6 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 16.6 GBP payable at the station . 
 Reference number is : QGJMVZR4 . anything else ?
thank()
user
That will be all . Thank you for your help !
system
Great . Have a nice trip . Good bye .
_:search type Restaurant
_:search area west
_:search food indiian
_:search pricerange expensive
_:search type Restaurant
_:search area west
_:search food indiian
_:search pricerange expensive
_:system offered _:booking
_:booking type Booking
_:result count 5
_:result name the tandoori palace
_:result type Restaurant
_:search day wednesday
_:search duration 19:45
_:search people 1
_:search type Restaurant
_:search area west
_:search food indiian
_:search pricerange expensive
_:system offered _:booking
_:result count 5
_:result name the tandoori palace
_:result type Restaurant
_:search duration 19:45
_:search people 1
_:booking ref DGO6TW9S
_:booking type Booking
_:search day thursday
_:search type Train
_:search area west
_:search food indiian
_:search pricerange expensive
_:system offered _:booking
_:result count 5
_:result name the tandoori palace
_:result type Restaurant
_:search duration 19:45
_:search people 1
_:booking ref DGO6TW9S
_:booking type Booking
_:search day thursday
_:search departure ?
_:search arrive_by 09:00
_:search destination london liverpool street
_:search type Train
_:search area west
_:search food indiian
_:search pricerange expensive
_:system offered _:booking
_:result count 5
_:result name the tandoori palace
_:search duration 19:45
_:booking ref DGO6TW9S
_:booking type Booking
_:search day thursday
_:search departure ?
_:search arrive_by 09:00
_:search destination london liverpool street
_:result arrive_by 07:27
_:result departure cambridge
_:result destination liverpool street
_:result id TR4127
_:result leave_at 05:59
_:result type Train
_:booking category Train
_:search people 1
_:search type Train
_:result ref ?
_:search area west
_:search food indiian
_:search pricerange expensive
_:system offered _:booking
_:result count 5
_:result name the tandoori palace
_:search duration 19:45
_:search day thursday
_:search departure ?
_:search arrive_by 09:00
_:search destination london liverpool street
_:result arrive_by 07:27
_:result departure cambridge
_:result destination liverpool street
_:result id TR4127
_:result leave_at 05:59
_:result type Train
_:search people 1
_:search type Train
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking ref QGJMVZR4
_:booking ticket 16.6 GBP
_:booking type Booking