inform((_:search,departure,'stevenage');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I need a train from stevenage to cambridge
inform((_:result,count,'70');(_:result,type,'Train')) request((_:search,day,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
There are 70 results . Is there a certain day and time you 'd like to leave ?
inform((_:search,arrive_by,'18:30');(_:search,day,'saturday');(_:search,type,'Train'))
user
I need to leave on saturday and arrive by 18:30
inform((_:result,arrive_by,'16:43');(_:result,id,'TR0545');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR0545 can get you there by 16:43 , would you like me to book a ticket ?
inform((_:search,people,'5');(_:search,type,'Train'))
user
Yes please get me 5 tickets for that
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'DZN9X4BU');(_:booking,ticket,'51.2 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 51.2 GBP payable at the station . 
 Reference number is : DZN9X4BU . Is there anything else I can do for you ?
inform((_:search,area,'west');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Yes , I 'm also looking for an expensive restaurant in the west .
select((_:result,food,'British');(_:result,food,'European');(_:result,food,'Indian');(_:result,food,'Thai');(_:result,type,'Restaurant')) inform((_:result,area,'west');(_:result,count,'9');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
There are 9 restaurants in the west that are considered expensive . You have a choice of Thai , Indian , British or European . Which do you prefer ?
inform((_:search,food,'indian');(_:search,type,'Restaurant'))
user
I 'd love to have some Indian food .
offer((_:booking,type,'Booking')) inform((_:result,count,'5');(_:result,food,'Indian');(_:result,type,'Restaurant'))
system
There are 5 Indian restaurants that meet your needs . Would you like for me to make a reservation for you ?
inform((_:search,day,'same day');(_:search,duration,'21:00');(_:search,people,'same group of people');(_:search,type,'Restaurant'))
user
Yes , please ! Can you make a reservation at your favorite for the same group of people at 21:00 on the same day as the train ?
inform((_:booking,day,'Saturday');(_:booking,name,'Tandoori Palace');(_:booking,ref,'170ZCNIC');(_:booking,type,'Booking');(_:result,address,'68 Histon Road Chesterton');(_:result,type,'Restaurant'))
system
Ok , I 've booked you and your guests for Saturday at Tandoori Palace , 68 Histon Road Chesterton , Reference # 170ZCNIC .
thank()
user
Thank you very much .
system
enjoy your stay in cambridge
_:search departure stevenage
_:search destination cambridge
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:result count 70
_:result type Train
_:search leave_at ?
_:search arrive_by 18:30
_:search day saturday
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:result count 70
_:search leave_at ?
_:search arrive_by 18:30
_:search day saturday
_:result arrive_by 16:43
_:result id TR0545
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 5
_:search type Train
_:search departure stevenage
_:search destination cambridge
_:result count 70
_:search leave_at ?
_:search arrive_by 18:30
_:search day saturday
_:result arrive_by 16:43
_:result id TR0545
_:result type Train
_:system offered _:booking
_:search people 5
_:system inquired _:user
_:booking category Train
_:booking ref DZN9X4BU
_:booking ticket 51.2 GBP
_:booking type Booking
_:search area west
_:search pricerange expensive
_:search type Restaurant
_:search departure stevenage
_:search destination cambridge
_:search leave_at ?
_:search arrive_by 18:30
_:search day saturday
_:result arrive_by 16:43
_:result id TR0545
_:system offered _:booking
_:search people 5
_:system inquired _:user
_:booking category Train
_:booking ref DZN9X4BU
_:booking ticket 51.2 GBP
_:booking type Booking
_:search area west
_:search pricerange expensive
_:result food British
_:result food European
_:result food Indian
_:result food Thai
_:result area west
_:result count 9
_:result pricerange expensive
_:result type Restaurant
_:search food indian
_:search type Restaurant
_:search departure stevenage
_:search destination cambridge
_:search leave_at ?
_:search arrive_by 18:30
_:result arrive_by 16:43
_:result id TR0545
_:system offered _:booking
_:system inquired _:user
_:booking category Train
_:booking ref DZN9X4BU
_:booking ticket 51.2 GBP
_:booking type Booking
_:search area west
_:search pricerange expensive
_:result area west
_:result pricerange expensive
_:search food indian
_:result count 5
_:result food Indian
_:result type Restaurant
_:search day same day
_:search duration 21:00
_:search people same group of people
_:search type Restaurant
_:search departure stevenage
_:search destination cambridge
_:search leave_at ?
_:search arrive_by 18:30
_:result arrive_by 16:43
_:result id TR0545
_:system offered _:booking
_:system inquired _:user
_:booking category Train
_:booking ticket 51.2 GBP
_:search area west
_:search pricerange expensive
_:result area west
_:result pricerange expensive
_:search food indian
_:result count 5
_:result food Indian
_:search day same day
_:search duration 21:00
_:search people same group of people
_:search type Restaurant
_:booking day Saturday
_:booking name Tandoori Palace
_:booking ref 170ZCNIC
_:booking type Booking
_:result address 68 Histon Road Chesterton
_:result type Restaurant