inform((_:search,departure,'cambridge');(_:search,destination,'broxbourne');(_:search,type,'Train'))
user
Can I please get information for a train going from cambridge to broxbourne ?
request((_:search,day,?);(_:search,type,'Train'))
system
What day will you be traveling ?
inform((_:search,day,'friday');(_:search,type,'Train'))
user
I want to travel on Friday , please .
request((_:search,leave_at,?);(_:search,type,'Train'))
system
What time would you like to leave ?
inform((_:search,leave_at,'19:45');(_:search,type,'Train')) request((_:result,id,?);(_:result,ticket,?);(_:result,type,'Train'))
user
Can you give me the train ID and price of the first train that departs after 19:45 ?
inform((_:result,id,'TR3342');(_:result,ticket,'17.90 pounds');(_:result,type,'Train')) reqmore()
system
Yes , it will cost 17.90 pounds and the ID is TR3342 . Anything else ?
user
no , that 's it for today
system
If you need reservations or information in the future , we will be happy to assist you .
thank()
user
Thank you for your assistance . Goodbye .
system
My pleasure .   Have a great day .
_:search departure cambridge
_:search destination broxbourne
_:search type Train
_:search departure cambridge
_:search destination broxbourne
_:search day friday
_:search type Train
_:search departure cambridge
_:search destination broxbourne
_:search day friday
_:search leave_at 19:45
_:search type Train
_:result id ?
_:result ticket ?
_:result type Train
_:search departure cambridge
_:search destination broxbourne
_:search day friday
_:search leave_at 19:45
_:search type Train
_:result id TR3342
_:result ticket 17.90 pounds
_:result type Train
_:system inquired _:user
_:search departure cambridge
_:search destination broxbourne
_:search day friday
_:search leave_at 19:45
_:search type Train
_:result id TR3342
_:result ticket 17.90 pounds
_:result type Train
_:system inquired _:user