inform((_:search,arrive_by,'11:30');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'd like a train to Cambridge that arrives by 11:30 .
request((_:search,departure,?);(_:search,type,'Train'))
system
Where are you departing from ?
inform((_:search,departure,'ely');(_:search,type,'Train'))
user
I 'm departing from Ely .
offer((_:booking,arrive_by,'9:52');(_:booking,category,'Train');(_:booking,destination,'Cambridge');(_:booking,id,'TR2704');(_:booking,leave_at,'9:35');(_:booking,type,'Booking')) request((_:search,people,?);(_:search,type,'Train'))
system
I can reserve a seat on TR2704 departing at 9:35 and arriving in Cambridge at 9:52 .   How many tickets will you need ?
user
It does n't matter to me .
reqmore() offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
If you would n't like me to book you a ticket , is there anything else you need ?
request((_:result,duration,?);(_:result,type,'Train'))
user
Can you tell me what the travel time for that train is ?
inform((_:result,duration,'a 17 minute train ride');(_:result,type,'Train'))
system
That will be a 17 minute train ride .
thank()
user
Okay great . That is all thank you .
system
Okay great . Thanks fro calling .
_:search arrive_by 11:30
_:search destination cambridge
_:search type Train
_:search arrive_by 11:30
_:search destination cambridge
_:search departure ely
_:search type Train
_:search arrive_by 11:30
_:search destination cambridge
_:search departure ely
_:system offered _:booking
_:booking arrive_by 9:52
_:booking category Train
_:booking destination Cambridge
_:booking id TR2704
_:booking leave_at 9:35
_:booking type Booking
_:search people ?
_:search type Train
_:search arrive_by 11:30
_:search destination cambridge
_:search departure ely
_:system offered _:booking
_:booking arrive_by 9:52
_:booking category Train
_:booking destination Cambridge
_:booking id TR2704
_:booking leave_at 9:35
_:booking type Booking
_:search people ?
_:search type Train
_:system inquired _:user
_:result duration ?
_:result type Train
_:search arrive_by 11:30
_:search destination cambridge
_:search departure ely
_:system offered _:booking
_:booking arrive_by 9:52
_:booking category Train
_:booking destination Cambridge
_:booking id TR2704
_:booking leave_at 9:35
_:booking type Booking
_:search people ?
_:search type Train
_:system inquired _:user
_:result duration a 17 minute train ride
_:result type Train