inform((_:search,area,'centre');(_:search,category,'college');(_:search,type,'Attraction'))
user
I 'm looking for a college to visit in the centre of cambridge .
inform((_:result,category,'colleges');(_:result,count,'13');(_:result,name,'Downing College');(_:result,type,'Attraction'))
system
I was able to find 13 colleges would you like to go to Downing College ?
request((_:result,address,?);(_:result,entrance_fee,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Yes that would be great can you give me the postcode entrance for you and address to it ?
reqmore() inform((_:result,address,'regent street');(_:result,entrance_fee,'free');(_:result,postcode,'cb21dq');(_:result,type,'Attraction'))
system
Sure , the address is Regent Street , the postcode is cb21dq , and the entrance fee is free . Can I help you with anything else ?
inform((_:search,day,'monday');(_:search,type,'Train'))
user
Thank you . I also need to find a train leaving on Monday .
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
Certainly , where are you departing from and what is your destination please ?
inform((_:search,departure,'london liverpool street');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'm departing from london liverpool street to cambridge .
inform((_:result,amount,'a number of');(_:result,leave_at,'23:39');(_:result,leave_at,'5:39');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
There are a number of trains running from 5:39   to 23:39 . Did you have a departure or arrival time in mind ?
inform((_:search,leave_at,'08:45');(_:search,type,'Train'))
user
I 'd like to leave after 08:45 . Which train leaves closest to that time ?
inform((_:result,id,'TR7256');(_:result,leave_at,'09:39');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Unfortunately , the closest leaves at 09:39 , which leaves almost an hour later . That train is the TR7256 , do you still want to book it ?
inform((_:search,type,'Train'))
user
Oh , no need to book it for me . But yes , that train will do just fine . Thank you for your help , that was all I needed .
system
You are welcome .   If you need anything else , please contact us .
_:search area centre
_:search category college
_:search type Attraction
_:search area centre
_:search category college
_:search type Attraction
_:result category colleges
_:result count 13
_:result name Downing College
_:result type Attraction
_:result address ?
_:result entrance_fee ?
_:result postcode ?
_:search area centre
_:search category college
_:result category colleges
_:result count 13
_:result name Downing College
_:system inquired _:user
_:result address regent street
_:result entrance_fee free
_:result postcode cb21dq
_:result type Attraction
_:search day monday
_:search type Train
_:search area centre
_:search category college
_:result category colleges
_:result count 13
_:result name Downing College
_:system inquired _:user
_:result address regent street
_:result entrance_fee free
_:result postcode cb21dq
_:result type Attraction
_:search day monday
_:search departure london liverpool street
_:search destination cambridge
_:search type Train
_:search area centre
_:search category college
_:result category colleges
_:result count 13
_:result name Downing College
_:system inquired _:user
_:result address regent street
_:result entrance_fee free
_:result postcode cb21dq
_:search day monday
_:search departure london liverpool street
_:search destination cambridge
_:result amount a number of
_:result leave_at 23:39
_:result leave_at 5:39
_:result type Train
_:search arrive_by ?
_:search leave_at 08:45
_:search type Train
_:search area centre
_:search category college
_:result category colleges
_:result count 13
_:result name Downing College
_:system inquired _:user
_:result address regent street
_:result entrance_fee free
_:result postcode cb21dq
_:search day monday
_:search departure london liverpool street
_:search destination cambridge
_:result amount a number of
_:search arrive_by ?
_:search leave_at 08:45
_:result id TR7256
_:result leave_at 09:39
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search type Train