inform((_:search,destination,'peterborough');(_:search,type,'Train'))
user
I 'd like to find a train to peterborough .
inform((_:result,count,'266');(_:result,destination,'peterborough');(_:result,type,'Train')) request((_:search,day,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
There are 266 trains going to Peterborough . Can you give me a departure day and time so that I can narrow down your choices ?
inform((_:search,arrive_by,'14:30');(_:search,day,'friday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
I am looking to go from cambridge , and go on friday arriving by 14:30
inform((_:result,arrive_by,'14:24');(_:result,duration,'50 minutes');(_:result,id,'TR5901');(_:result,leave_at,'13:34');(_:result,ticket,'16.50 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Okay , how about the TR5901 leaving at 13:34 and arriving at 14:24 with a duration of 50 minutes ? The cost is 16.50 pounds . Would that work for you ?
user
That would be perfect !
request((_:search,people,?);(_:search,type,'Train'))
system
Great , how many tickets would you like to purchase ?
inform((_:search,people,'7');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
7 tickets please . Can I also have the reference number for the booking ?
inform((_:booking,category,'Train');(_:booking,ref,'R5P65TW5');(_:booking,type,'Booking'))
system
Your tickets are all booked , reference number R5P65TW5
thank()
user
Thank you so much .   That is all I will need today .
system
Thank you for contacting Cambridge TownInfo centre . Have a wonderful day !
_:search destination peterborough
_:search type Train
_:search destination peterborough
_:result count 266
_:result destination peterborough
_:result type Train
_:search leave_at ?
_:search arrive_by 14:30
_:search day friday
_:search departure cambridge
_:search type Train
_:search destination peterborough
_:result count 266
_:result destination peterborough
_:search leave_at ?
_:search arrive_by 14:30
_:search day friday
_:search departure cambridge
_:search type Train
_:result arrive_by 14:24
_:result duration 50 minutes
_:result id TR5901
_:result leave_at 13:34
_:result ticket 16.50 pounds
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search destination peterborough
_:result count 266
_:result destination peterborough
_:search leave_at ?
_:search arrive_by 14:30
_:search day friday
_:search departure cambridge
_:result arrive_by 14:24
_:result duration 50 minutes
_:result id TR5901
_:result leave_at 13:34
_:result ticket 16.50 pounds
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 7
_:search type Train
_:result ref ?
_:search destination peterborough
_:result count 266
_:result destination peterborough
_:search leave_at ?
_:search arrive_by 14:30
_:search day friday
_:search departure cambridge
_:result arrive_by 14:24
_:result duration 50 minutes
_:result id TR5901
_:result leave_at 13:34
_:result ticket 16.50 pounds
_:result type Train
_:system offered _:booking
_:search people 7
_:search type Train
_:result ref ?
_:booking category Train
_:booking ref R5P65TW5
_:booking type Booking