inform((_:search,departure,'stevenage');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Hi , I 'm looking for a train from Stevenage to Cambridge
inform((_:result,leave_at,'every hour');(_:result,type,'Train')) request((_:search,day,?);(_:search,type,'Train'))
system
What day do you need the ticket for ? Trains leave every hour .
inform((_:search,day,'monday');(_:search,leave_at,'16:30');(_:search,type,'Train'))
user
I am travelling on Monday and need to leave after 16:30 .
inform((_:result,arrive_by,'18:10');(_:result,id,'TR0244');(_:result,leave_at,'17:21');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The TR0244 leaves at 17:21 and arrives by 18:10 .   Would you like this one ?
inform((_:search,type,'Train'))
user
Yes please . What is the cost for this train ?
inform((_:result,id,'TR0254');(_:result,ticket,'12.80 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
My apologies . The train ID is TR0254 not TR0244 . The cost is 12.80 pounds per ticket . Can I book a ticket for you ?
inform((_:search,people,'6');(_:search,type,'Train'))
user
Yes , that would be great . Please book for 6 people .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'PENZQ430');(_:booking,type,'Booking'))
system
Yes that booking was successful and your reference number for the trip and tickets is PENZQ430 . Is there anything else I can help you with today ?
thank()
user
No , I think I 'm all set . Thank you for your help !
system
Thank you for using this system !
_:search departure stevenage
_:search destination cambridge
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:result leave_at every hour
_:result type Train
_:search day monday
_:search leave_at 16:30
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:search day monday
_:search leave_at 16:30
_:result arrive_by 18:10
_:result id TR0244
_:result leave_at 17:21
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:search day monday
_:search leave_at 16:30
_:result arrive_by 18:10
_:result leave_at 17:21
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result id TR0254
_:result ticket 12.80 pounds
_:result type Train
_:search people 6
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:search day monday
_:search leave_at 16:30
_:result arrive_by 18:10
_:result leave_at 17:21
_:system offered _:booking
_:result id TR0254
_:result ticket 12.80 pounds
_:result type Train
_:search people 6
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref PENZQ430
_:booking type Booking