inform((_:search,area,'centre');(_:search,category,'nightclub');(_:search,type,'Attraction'))
user
I 'm trying to find a nightclub in the centre of town .
request((_:search,name,?);(_:search,type,'Attraction')) inform((_:result,area,'centre');(_:result,category,'nightclubs');(_:result,count,'5');(_:result,type,'Attraction'))
system
We have 5 nightclubs located in the centre of town . Are you looking for a particular nightclub or do you want a recommendation ?
request((_:result,entrance_fee,?);(_:result,type,'Attraction'))
user
Could you give me a recommendation as well as the entrance fee ?
inform((_:result,entrance_fee,'5 pound');(_:result,name,'ballare');(_:result,type,'Attraction'))
system
ballare has a 5 pound entrance fee .
inform((_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
I need a train departing from london liverpool street .
request((_:search,day,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
What day and time would you like to travel ?
inform((_:search,arrive_by,'12:00');(_:search,day,'friday');(_:search,type,'Train'))
user
I will need it on Friday and intend to arrive by 12:00 .
request((_:search,day,?);(_:search,type,'Train'))
system
Sure , I can help you with that .   What day were you wanting to travel ?
inform((_:search,day,'friday');(_:search,type,'Train'))
user
I would like to travel on Friday .
inform((_:result,arrive_by,'11:07');(_:result,destination,'Cambridge');(_:result,id,'TR0637');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The TR0637 will get you into Cambrdige by 11:07 . Will that work for you ?
request((_:result,id,?);(_:result,ticket,?);(_:result,type,'Train'))
user
may i have the train ID and price please ?
inform((_:result,ticket,'16.60 pounds');(_:result,type,'Train')) request((_:search,id,?);(_:search,type,'Train'))
system
You already have the Train ID from previous conversations , but the price is 16.60 pounds .
thank()
user
Thanks . That s all I needed . Goodbye .
system
Thank you for choosing the Cambridge TownInfo Centere . I hope you use us again .
_:search area centre
_:search category nightclub
_:search type Attraction
_:search area centre
_:search category nightclub
_:search name ?
_:search type Attraction
_:result area centre
_:result category nightclubs
_:result count 5
_:result type Attraction
_:result entrance_fee ?
_:search area centre
_:search category nightclub
_:search name ?
_:result area centre
_:result category nightclubs
_:result count 5
_:result entrance_fee 5 pound
_:result name ballare
_:result type Attraction
_:search departure london liverpool street
_:search type Train
_:search area centre
_:search category nightclub
_:search name ?
_:result area centre
_:result category nightclubs
_:result count 5
_:result entrance_fee 5 pound
_:result name ballare
_:result type Attraction
_:search departure london liverpool street
_:search leave_at ?
_:search arrive_by 12:00
_:search day friday
_:search type Train
_:search area centre
_:search category nightclub
_:search name ?
_:result area centre
_:result category nightclubs
_:result count 5
_:result entrance_fee 5 pound
_:result name ballare
_:result type Attraction
_:search departure london liverpool street
_:search leave_at ?
_:search arrive_by 12:00
_:search day friday
_:search type Train
_:search area centre
_:search category nightclub
_:search name ?
_:result area centre
_:result category nightclubs
_:result count 5
_:result entrance_fee 5 pound
_:result name ballare
_:search departure london liverpool street
_:search leave_at ?
_:search arrive_by 12:00
_:search day friday
_:search type Train
_:result arrive_by 11:07
_:result destination Cambridge
_:result id TR0637
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result id ?
_:result ticket ?
_:search area centre
_:search category nightclub
_:search name ?
_:result area centre
_:result category nightclubs
_:result count 5
_:result entrance_fee 5 pound
_:result name ballare
_:search departure london liverpool street
_:search leave_at ?
_:search arrive_by 12:00
_:search day friday
_:result arrive_by 11:07
_:result destination Cambridge
_:result id TR0637
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result id ?
_:result ticket 16.60 pounds
_:result type Train
_:search id ?
_:search type Train