inform((_:search,arrive_by,'16:00');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
Hello , I 'd like some information on a train going to london liverpool street that arrives by 16:00
inform((_:result,amount,'multiple');(_:result,type,'Train')) request((_:search,day,?);(_:search,departure,?);(_:search,type,'Train'))
system
There are multiple trains . Where will you departing from and what day will you be traveling ?
inform((_:search,day,'sunday');(_:search,type,'Train'))
user
I 'm departing on sunday .
inform((_:result,arrive_by,'15:27');(_:result,day,'Sunday');(_:result,departure,'Cambridge');(_:result,destination,'London Liverpool Street');(_:result,id,'TR2141');(_:result,leave_at,'13:59');(_:result,type,'Train'))
system
The TR2141 leaves Cambridge at 13:59 on Sunday and arrives at London Liverpool Street at 15:27 . Is that the train you need ?
request((_:result,duration,?);(_:result,type,'Train'))
user
What is the total travel time ?
inform((_:result,duration,'88 minutes');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The trip will take 88 minutes . Would you like me to make a reservation ?
inform((_:search,food,'british');(_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
No , I am   also looking for a place to dine . The restaurant should serve British food and should be in the moderate price range
select((_:result,area,'centre');(_:result,area,'west');(_:result,type,'Restaurant')) inform((_:result,amount,'several');(_:result,food,'british');(_:result,type,'Restaurant'))
system
There are several restaurants that serve british food .   Would you prefer a restaurant in the centre or the west ?
inform((_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
I just need it to be moderately priced so I can make a reservation .
system
Restaurant One Seven is moderately priced . Would you like me to make a reservation ?
_:search arrive_by 16:00
_:search destination london liverpool street
_:search type Train
_:search arrive_by 16:00
_:search destination london liverpool street
_:result amount multiple
_:result type Train
_:search departure ?
_:search day sunday
_:search type Train
_:search arrive_by 16:00
_:search destination london liverpool street
_:result amount multiple
_:search departure ?
_:search day sunday
_:search type Train
_:result arrive_by 15:27
_:result day Sunday
_:result departure Cambridge
_:result destination London Liverpool Street
_:result id TR2141
_:result leave_at 13:59
_:result type Train
_:result duration ?
_:search arrive_by 16:00
_:search destination london liverpool street
_:result amount multiple
_:search departure ?
_:search day sunday
_:result arrive_by 15:27
_:result day Sunday
_:result departure Cambridge
_:result destination London Liverpool Street
_:result id TR2141
_:result leave_at 13:59
_:result duration 88 minutes
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search food british
_:search pricerange moderate
_:search type Restaurant
_:search arrive_by 16:00
_:search destination london liverpool street
_:search departure ?
_:search day sunday
_:result arrive_by 15:27
_:result day Sunday
_:result departure Cambridge
_:result destination London Liverpool Street
_:result id TR2141
_:result leave_at 13:59
_:result duration 88 minutes
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search food british
_:result area centre
_:result area west
_:result amount several
_:result food british
_:result type Restaurant
_:search pricerange moderately
_:search type Restaurant