inform((_:search,day,'thursday');(_:search,departure,'cambridge');(_:search,leave_at,'21:00');(_:search,type,'Train'))
user
I am looking for a train that departs cambridge after 21:00 on Thursday .
request((_:search,destination,?);(_:search,type,'Train'))
system
What is your destination that you would like to go to ?
inform((_:search,destination,'stansted airport');(_:search,people,'2');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
I 'm heading to Stansted Airport , I need to book for 2 people and can I please get a reference number ?
inform((_:booking,category,'Train');(_:booking,ref,'WRAD7NNO');(_:booking,type,'Booking')) reqmore()
system
Sure thing . The reference number is WRAD7NNO . Can I assist with anything else ?
thank()
user
No that will be all . Thank you .
system
Thank you for using our service . Please have a great day .
_:search day thursday
_:search departure cambridge
_:search leave_at 21:00
_:search type Train
_:search day thursday
_:search departure cambridge
_:search leave_at 21:00
_:search destination stansted airport
_:search people 2
_:search type Train
_:result ref ?
_:result type Train
_:search day thursday
_:search departure cambridge
_:search leave_at 21:00
_:search destination stansted airport
_:search people 2
_:search type Train
_:result ref ?
_:result type Train
_:booking category Train
_:booking ref WRAD7NNO
_:booking type Booking
_:system inquired _:user