inform((_:search,departure,'london kings cross');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I need a train from London Kings Cross to Cambridge .
inform((_:result,count,'70');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,day,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
I have 70 trains travelling that route . To narrow it down , what day would you like to leave and what time would you like to depart / arrive ?
inform((_:search,arrive_by,'20:20');(_:search,day,'saturday');(_:search,type,'Train'))
user
sure , I would like to go on Saturday , and arrive by 20:20 . As close to that time as I can arrive .
inform((_:result,arrive_by,'20:08');(_:result,departure,'London');(_:result,leave_at,'19:17');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have a 19:17 from London that arrives at 20:08 . Would that work for you ?
inform((_:search,people,'7');(_:search,type,'Train'))
user
Yes , let me have 7 tickets , please .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'QMD5P3EG');(_:booking,ticket,'132.16 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 132.16 GBP payable at the station . Reference number is : QMD5P3EG . Is there anything else I can help you with ?
thank()
user
No , that 's all I need .   Thanks .
system
Thank you for contacting Cambridge TownInfo centre . Have a wonderful day !
_:search departure london kings cross
_:search destination cambridge
_:search type Train
_:search departure london kings cross
_:search destination cambridge
_:result count 70
_:result type Train
_:search leave_at ?
_:search arrive_by 20:20
_:search day saturday
_:search type Train
_:search departure london kings cross
_:search destination cambridge
_:result count 70
_:search leave_at ?
_:search arrive_by 20:20
_:search day saturday
_:result arrive_by 20:08
_:result departure London
_:result leave_at 19:17
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 7
_:search type Train
_:search departure london kings cross
_:search destination cambridge
_:result count 70
_:search leave_at ?
_:search arrive_by 20:20
_:search day saturday
_:result arrive_by 20:08
_:result departure London
_:result leave_at 19:17
_:result type Train
_:system offered _:booking
_:search people 7
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref QMD5P3EG
_:booking ticket 132.16 GBP
_:booking type Booking