inform((_:search,day,'thursday');(_:search,destination,'peterborough');(_:search,type,'Train'))
user
Hello , I need to book a train for Thursday leaving to Peterborough .
request((_:search,departure,?);(_:search,type,'Train'))
system
No problem , can you please let me know where you want to depart from ?
inform((_:search,departure,'cambridge');(_:search,leave_at,'09:15');(_:search,type,'Train'))
user
I would like to leave Cambridge after 09:15 .
inform((_:result,day,'Thursday');(_:result,id,'TR7317');(_:result,leave_at,'10:06');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR7317 leaves at 10:06 on Thursday , would you like to reserve a seat ?
inform((_:search,people,'one');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Yes just one seat , and I 'll need the reference number .
inform((_:booking,category,'Train');(_:booking,ref,'SALFLI4E');(_:booking,ticket,'16.5 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 16.5 GBP payable at the station .   Reference number is : SALFLI4E .
thank()
user
Thank you so much for your help . Have a great day !
system
Thank you for using the Cambridge TownInfo centre . Have a good trip . Goodbye .
_:search day thursday
_:search destination peterborough
_:search type Train
_:search day thursday
_:search destination peterborough
_:search departure cambridge
_:search leave_at 09:15
_:search type Train
_:search day thursday
_:search destination peterborough
_:search departure cambridge
_:search leave_at 09:15
_:result day Thursday
_:result id TR7317
_:result leave_at 10:06
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people one
_:search type Train
_:result ref ?
_:search day thursday
_:search destination peterborough
_:search departure cambridge
_:search leave_at 09:15
_:result day Thursday
_:result id TR7317
_:result leave_at 10:06
_:result type Train
_:system offered _:booking
_:search people one
_:search type Train
_:result ref ?
_:booking category Train
_:booking ref SALFLI4E
_:booking ticket 16.5 GBP
_:booking type Booking