inform((_:search,arrive_by,'8:45');(_:search,departure,'peterborough');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Please find a train that departs from Peterborough and arrives in Cambridge by 8:45 .
request((_:search,day,?);(_:search,type,'Train'))
system
Okay , and which day would you like to travel ?
inform((_:search,day,'saturday');(_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
I would like to leave on Saturday from london liverpool street
inform((_:result,arrive_by,'8:38');(_:result,day,'Saturday');(_:result,id,'TR3390');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The TR3390 arrives Saturday at 8:38 .   Would you like me to book it for you ?
request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
Can I get travel time and price first , please ?
inform((_:result,duration,'50 minutes');(_:result,ticket,'13.20 pounds');(_:result,type,'Train'))
system
The trip is 50 minutes long and it is 13.20 pounds for a ticket .
thank()
user
Ok thanks , I m ready to book .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'9LLWMNOM');(_:booking,type,'Booking'))
system
Great , I have booked your ticket , your reference number is : 9LLWMNOM . May I help with anything further .
inform((_:search,departure,'London Liverpool');(_:search,type,'Train'))
user
I 'm so sorry .   I did n't mean to book yet .   I wo n't need that reservation .   Could you make sure that train TR3390 is departing from London Liverpool ?
inform((_:result,departure,'peterborough');(_:result,destination,'cambridge');(_:result,id,'TR3390');(_:result,type,'Train')) request((_:search,departure,?);(_:search,type,'Train'))
system
Train TR3390 is departing from peterborough to cambridge . Would you like me to look for a train departing from London Liverpool ?
inform((_:search,departure,'london liverpool street');(_:search,type,'Train')) request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
Yes , please . I need to know the price and travel time for that as well .
inform((_:result,arrive_by,'07:07');(_:result,day,'Saturday');(_:result,departure,'London Liverpool Street');(_:result,destination,'Cambridge');(_:result,duration,'88 minutes');(_:result,id,'TR7397');(_:result,leave_at,'05:39');(_:result,ticket,'13.28 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR7397 leaves from London Liverpool Street on Saturday at 05:39 and arrives in Cambridge at 07:07 with travel time of 88 minutes . Cost is 13.28 pounds . Shall I book this ticket ?
thank()
user
No , thank you . That 's all I needed today .
system
Thank you , goodbye .
_:search arrive_by 8:45
_:search departure peterborough
_:search destination cambridge
_:search type Train
_:search arrive_by 8:45
_:search destination cambridge
_:search day saturday
_:search departure london liverpool street
_:search type Train
_:search arrive_by 8:45
_:search destination cambridge
_:search day saturday
_:search departure london liverpool street
_:search type Train
_:result arrive_by 8:38
_:result day Saturday
_:result id TR3390
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration ?
_:result ticket ?
_:search arrive_by 8:45
_:search destination cambridge
_:search day saturday
_:search departure london liverpool street
_:search type Train
_:result arrive_by 8:38
_:result day Saturday
_:result id TR3390
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 50 minutes
_:result ticket 13.20 pounds
_:result type Train
_:search arrive_by 8:45
_:search destination cambridge
_:search day saturday
_:result arrive_by 8:38
_:result day Saturday
_:result id TR3390
_:system offered _:booking
_:result duration 50 minutes
_:result ticket 13.20 pounds
_:result type Train
_:system inquired _:user
_:booking category Train
_:booking ref 9LLWMNOM
_:booking type Booking
_:search departure London Liverpool
_:search type Train
_:search arrive_by 8:45
_:search destination cambridge
_:search day saturday
_:result arrive_by 8:38
_:result day Saturday
_:system offered _:booking
_:result duration 50 minutes
_:result ticket 13.20 pounds
_:system inquired _:user
_:booking category Train
_:booking ref 9LLWMNOM
_:booking type Booking
_:result departure peterborough
_:result destination cambridge
_:result id TR3390
_:result type Train
_:search departure london liverpool street
_:search type Train
_:result duration ?
_:result ticket ?
_:search arrive_by 8:45
_:search destination cambridge
_:search day saturday
_:system offered _:booking
_:system inquired _:user
_:booking category Train
_:booking ref 9LLWMNOM
_:booking type Booking
_:search departure london liverpool street
_:search type Train
_:result arrive_by 07:07
_:result day Saturday
_:result departure London Liverpool Street
_:result destination Cambridge
_:result duration 88 minutes
_:result id TR7397
_:result leave_at 05:39
_:result ticket 13.28 pounds
_:result type Train