inform((_:search,day,'sunday');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Can you help me find a train leaving on Sunday going to Cambridge ? Thanks .
request((_:search,departure,?);(_:search,type,'Train'))
system
Where will you be traveling from ?
inform((_:search,departure,'peterborough');(_:search,leave_at,'09:00');(_:search,type,'Train'))
user
I 'll be leaving from peterborough and would like to leave after 09:00 .
request((_:search,arrive_by,?);(_:search,type,'Train'))
system
What time do you need to arrive ?
user
It does not matter   as long as I can leave after 9:00 .
inform((_:result,id,'TR0774');(_:result,leave_at,'09:19');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have train TR0774 leaving at 09:19 is that okay for you ?
inform((_:search,type,'Hotel'))
user
Yes , that 'll work . Can you also please find me a place to stay ?
inform((_:result,amount,'many');(_:result,type,'Hotel'))
system
There are many places to stay , could you give me some preferences to find the best one for you ?
inform((_:search,pricerange,'moderate');(_:search,stars,'three');(_:search,type,'Hotel'))
user
Three stars , moderate price range .
system
Would you like a hotel or guesthouse ?
_:search day sunday
_:search destination cambridge
_:search type Train
_:search day sunday
_:search destination cambridge
_:search departure peterborough
_:search leave_at 09:00
_:search type Train
_:search day sunday
_:search destination cambridge
_:search departure peterborough
_:search leave_at 09:00
_:search arrive_by ?
_:search type Train
_:search day sunday
_:search destination cambridge
_:search departure peterborough
_:search leave_at 09:00
_:search arrive_by ?
_:result id TR0774
_:result leave_at 09:19
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search type Hotel
_:search day sunday
_:search destination cambridge
_:search departure peterborough
_:search leave_at 09:00
_:search arrive_by ?
_:result id TR0774
_:result leave_at 09:19
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result amount many
_:result type Hotel
_:search pricerange moderate
_:search stars three
_:search type Hotel