inform((_:search,day,'sunday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
I 'm looking for a train that leaves Cambridge on Sunday .
request((_:search,destination,?);(_:search,type,'Train'))
system
Alright . What is your destination ?
inform((_:search,destination,'peterborough');(_:search,type,'Train'))
user
I want to go to Peterborough .
inform((_:result,arrive_by,'5:51');(_:result,id,'TR7423');(_:result,leave_at,'05:00');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have TR7423 that leaves at 05:00 and arrives at 5:51 . Would you like me to book this ?
request((_:result,leave_at,?);(_:result,type,'Train'))
user
what time in minutes does the journey take ?
inform((_:result,duration,'51 minutes');(_:result,type,'Train')) reqmore()
system
The trip takes a total of 51 minutes . Is there anything else you need ?
inform((_:search,area,'centre');(_:search,category,'architecture');(_:search,type,'Attraction'))
user
I am also looking for places in the centre of the town to visit for architecture . Do you have any suggestions ?
inform((_:result,amount,'several');(_:result,category,'churches');(_:result,name,'Holy Trinity Church');(_:result,type,'Attraction'))
system
There are several . The churches are very nice , I especially like Holy Trinity Church . Does that sound like what you 're looking for ?
request((_:result,entrance_fee,?);(_:result,type,'Attraction'))
user
Sure that works . What 's the entrance fee ?
reqmore() inform((_:result,entrance_fee,'no entrance fee');(_:result,name,'Holy Trinity Church');(_:result,type,'Attraction'))
system
There is no entrance fee at Holy Trinity Church .   Can I help you with anything else today ?
thank()
user
No , thank you . goodbye !
system
Have a lovely day !
_:search day sunday
_:search departure cambridge
_:search type Train
_:search day sunday
_:search departure cambridge
_:search destination peterborough
_:search type Train
_:search day sunday
_:search departure cambridge
_:search destination peterborough
_:search type Train
_:result arrive_by 5:51
_:result id TR7423
_:result leave_at 05:00
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result leave_at ?
_:search day sunday
_:search departure cambridge
_:search destination peterborough
_:result arrive_by 5:51
_:result id TR7423
_:result leave_at 05:00
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result leave_at ?
_:result duration 51 minutes
_:result type Train
_:system inquired _:user
_:search area centre
_:search category architecture
_:search type Attraction
_:search day sunday
_:search departure cambridge
_:search destination peterborough
_:result arrive_by 5:51
_:result id TR7423
_:result leave_at 05:00
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result leave_at ?
_:result duration 51 minutes
_:system inquired _:user
_:search area centre
_:search category architecture
_:search type Attraction
_:result amount several
_:result category churches
_:result name Holy Trinity Church
_:result type Attraction
_:result entrance_fee ?
_:search day sunday
_:search departure cambridge
_:search destination peterborough
_:result arrive_by 5:51
_:result id TR7423
_:result leave_at 05:00
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result leave_at ?
_:result duration 51 minutes
_:search area centre
_:search category architecture
_:search type Attraction
_:result amount several
_:result category churches
_:system inquired _:user
_:result entrance_fee no entrance fee
_:result name Holy Trinity Church
_:result type Attraction