inform((_:search,day,'friday');(_:search,leave_at,'18:30');(_:search,type,'Train'))
user
Hi ! Can you tell me what trains are available on Friday after 18:30 ?
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
Certainly , but first I need to know where you are departing from and what your destination is .
inform((_:search,departure,'stevenage');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'm going from Stevenage to Cambridge .
inform((_:result,id,'TR4969');(_:result,leave_at,'18:30');(_:result,leave_at,'19:54');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking')) reqmore()
system
The first train after 18:30 is TR4969 , which leaves at 19:54 . Would you like a ticket , or more information ?
inform((_:search,people,'8');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Yes I would like to book it for 8 people and I will need the reference number .
inform((_:booking,category,'Train');(_:booking,people,'8');(_:booking,ref,'T6B9UNBQ');(_:booking,type,'Booking'))
system
Sure , I have booked your tickets for 8 people , your reference number is : T6B9UNBQ .
thank()
user
Thank you for all your help , that 's all I needed today .
system
You 're very welcome . Thank you for using Cambridge TownInfo centre .
_:search day friday
_:search leave_at 18:30
_:search type Train
_:search day friday
_:search leave_at 18:30
_:search departure stevenage
_:search destination cambridge
_:search type Train
_:search day friday
_:search leave_at 18:30
_:search departure stevenage
_:search destination cambridge
_:result id TR4969
_:result leave_at 18:30
_:result leave_at 19:54
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:system inquired _:user
_:search people 8
_:search type Train
_:result ref ?
_:search day friday
_:search leave_at 18:30
_:search departure stevenage
_:search destination cambridge
_:result id TR4969
_:result leave_at 18:30
_:result leave_at 19:54
_:result type Train
_:system offered _:booking
_:system inquired _:user
_:search people 8
_:search type Train
_:result ref ?
_:booking category Train
_:booking people 8
_:booking ref T6B9UNBQ
_:booking type Booking