inform((_:search,departure,'peterborough');(_:search,leave_at,'10:15');(_:search,type,'Train'))
user
I 'm are looking for a train . The train should depart from peterborough and should leave after 10:15
request((_:search,day,?);(_:search,type,'Train'))
system
What day would you like to depart ?
inform((_:search,day,'sunday');(_:search,departure,'peterborough');(_:search,destination,'cambridge');(_:search,type,'Train')) request((_:result,ticket,?);(_:result,type,'Train'))
user
It will be Sunday , from peterborough to cambridge , I will need the price of the ticket as well .
inform((_:result,id,'TR8509');(_:result,leave_at,'10:19');(_:result,type,'Train'))
system
The closest match I have is the TR8509 . It leaves at 10:19 .
inform((_:search,type,'Train'))
user
That sounds good . What is the train fare , please ?
inform((_:result,ticket,'13.20 pounds');(_:result,type,'Train')) reqmore()
system
It costs 13.20 pounds .   Do you need any other information ?
thank()
user
No that is all . Thanks for your help !
system
You are welcome ! Have a nice day .
_:search departure peterborough
_:search leave_at 10:15
_:search type Train
_:search leave_at 10:15
_:search day sunday
_:search departure peterborough
_:search destination cambridge
_:search type Train
_:result ticket ?
_:result type Train
_:search leave_at 10:15
_:search day sunday
_:search departure peterborough
_:search destination cambridge
_:result ticket ?
_:result id TR8509
_:result leave_at 10:19
_:result type Train
_:search type Train
_:search leave_at 10:15
_:search day sunday
_:search departure peterborough
_:search destination cambridge
_:result id TR8509
_:result leave_at 10:19
_:search type Train
_:result ticket 13.20 pounds
_:result type Train
_:system inquired _:user