inform((_:search,type,'Train'))
user
I need to book a train .
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
Where are you departing from , and what is your destination ?
inform((_:search,departure,'bishops stortford');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'm at Bishops Stortford and would like to go to Cambridge .
inform((_:result,duration,'38 minutes');(_:result,type,'Train')) request((_:search,day,?);(_:search,type,'Train'))
system
The travel time for that route is 38 minutes . What day would you be traveling ?
inform((_:search,day,'wednesday');(_:search,leave_at,'08:15');(_:search,type,'Train'))
user
I would like to travel this Wednesday and need to leave after 08:15 .
inform((_:result,count,'8');(_:result,leave_at,'8:15');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,type,'Train'))
system
There are 8 trains that leave after 8:15 , did you have a specific arrival time in mind ?
inform((_:search,type,'Train'))
user
No , anytime after 8:15 is fine . Maybe the first train after that time .
inform((_:result,arrive_by,'10:07');(_:result,leave_at,'9:29');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Okay I have the 9:29 that arrives at 10:07 . Would you like to book that ?
request((_:result,duration,?);(_:result,id,?);(_:result,type,'Train'))
user
Yes , that works , I need the travel time , and the train ID please .
inform((_:result,duration,'38 minutes');(_:result,id,'TR9178');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Sure , Train ID is TR9178 and travel time is 38 minutes .   How many tickets do you need ?
user
I actually do n't need to book right now . Sorry for the confusion .
system
OK , is that all you needed today , then ?
thank()
user
Yes that 's all the info I needed thank you !
system
You 're quite welcome . Thanks for contacting the Cambridge TownInfo Centre and have a great day !
_:search type Train
_:search departure bishops stortford
_:search destination cambridge
_:search type Train
_:search departure bishops stortford
_:search destination cambridge
_:result duration 38 minutes
_:result type Train
_:search day wednesday
_:search leave_at 08:15
_:search type Train
_:search departure bishops stortford
_:search destination cambridge
_:result duration 38 minutes
_:search day wednesday
_:search leave_at 08:15
_:result count 8
_:result leave_at 8:15
_:result type Train
_:search arrive_by ?
_:search type Train
_:search departure bishops stortford
_:search destination cambridge
_:result duration 38 minutes
_:search day wednesday
_:search leave_at 08:15
_:result count 8
_:search arrive_by ?
_:search type Train
_:result arrive_by 10:07
_:result leave_at 9:29
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration ?
_:result id ?
_:search departure bishops stortford
_:search destination cambridge
_:search day wednesday
_:search leave_at 08:15
_:result count 8
_:search arrive_by ?
_:search type Train
_:result arrive_by 10:07
_:result leave_at 9:29
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 38 minutes
_:result id TR9178
_:result type Train
_:search departure bishops stortford
_:search destination cambridge
_:search day wednesday
_:search leave_at 08:15
_:result count 8
_:search arrive_by ?
_:search type Train
_:result arrive_by 10:07
_:result leave_at 9:29
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 38 minutes
_:result id TR9178
_:result type Train