inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'm looking for an expensive restaurant in the centre . Thank you .
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,type,'Restaurant'))
system
There are several restaurants in the price range what type of food would you like to eat ?
inform((_:search,day,'saturday');(_:search,food,'dontcare');(_:search,type,'Restaurant'))
user
The type of food is not important , but I would like a nice place that has tables available on Saturday evening .
inform((_:result,area,'Centre');(_:result,food,'British');(_:result,name,'Midsummer House Resaurant');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
Sure , I would recommend the Midsummer House Resaurant which serves British food .   It is a nice , expensive place located in the Centre .
inform((_:search,day,'saturday');(_:search,duration,'18:45');(_:search,people,'21');(_:search,type,'Restaurant'))
user
Great I would like to make a booking for 21 person on a Saturday for 18:45 .
request((_:booking,people,?);(_:booking,type,'Booking'))
system
I 'd be happy to help with your request , could you please verify the number of people in your party ?
inform((_:search,people,'one');(_:search,type,'Restaurant'))
user
just for one person . i 'm a sad and lonely person . do you want to join me for dinner ? ?
inform((_:booking,name,'midsummer house restaurant');(_:booking,ref,'ZNN1RQ7E');(_:booking,type,'Booking')) bye() thank()
system
I have booked you at the midsummer house restaurant , your reference number is ZNN1RQ7E . You will have a great time , and I 'm sure meet lovely people .   Enjoy !
inform((_:search,day,'sunday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
I also need a train departing from cambridge leaving on sunday .
inform((_:result,count,'5');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,type,'Train'))
system
i got 5 trains on that day . what time do you need to arrive ?
inform((_:search,arrive_by,'15:00');(_:search,type,'Train'))
user
I would like to arrive by 15:00 .
inform((_:result,count,'99');(_:result,day,'Sunday');(_:result,departure,'Cambridge');(_:result,type,'Train')) request((_:search,destination,?);(_:search,type,'Train'))
system
There are 99 trains leaving Cambridge Sunday . What is your destination ?
inform((_:search,arrive_by,'15:00');(_:search,destination,'bishops stortford');(_:search,type,'Train'))
user
I need it to go to bishops stortford and should arrive by 15:00 .
inform((_:result,arrive_by,'14:07');(_:result,id,'TR2402');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR2402 arrives at 14:07 . Want to book ?
inform((_:search,people,'1');(_:search,type,'Train'))
user
Yes can you book that for 1 person as well ?
inform((_:result,arrive_by,'14:07');(_:result,leave_at,'13:29');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Yes .   There is a train that leaves at 13:29 and arrives at 14:07 , would you like to book this train ?
inform((_:search,people,'one');(_:search,type,'Train'))
user
Yes , that would be great . It will be only one person .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'TZXLECBZ');(_:booking,ticket,'8.08 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 8.08 GBP payable at the station . 
 Reference number is : TZXLECBZ . Can I help you with anything else today ?
thank()
user
Nope , that 's it for me today . Thanks a lot .
system
Have a nice day and enjoy your stay in cambridge
_:search area centre
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_:search type Restaurant
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_:search pricerange expensive
_:result amount several
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_:search food dontcare
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result amount several
_:search food dontcare
_:result area Centre
_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:result type Restaurant
_:search day saturday
_:search duration 18:45
_:search people 21
_:search type Restaurant
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_:search pricerange expensive
_:result amount several
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_:result area Centre
_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:result type Restaurant
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_:search duration 18:45
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_:result amount several
_:search food dontcare
_:result area Centre
_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:result type Restaurant
_:search duration 18:45
_:booking people ?
_:search people one
_:booking name midsummer house restaurant
_:booking ref ZNN1RQ7E
_:booking type Booking
_:system dismissed _:user
_:search day sunday
_:search departure cambridge
_:search type Train
_:search area centre
_:search pricerange expensive
_:result amount several
_:search food dontcare
_:result area Centre
_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:search duration 18:45
_:booking people ?
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_:booking name midsummer house restaurant
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_:result amount several
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_:result area Centre
_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:search duration 18:45
_:booking people ?
_:search people one
_:booking name midsummer house restaurant
_:booking ref ZNN1RQ7E
_:booking type Booking
_:system dismissed _:user
_:search day sunday
_:search departure cambridge
_:result count 99
_:result day Sunday
_:result departure Cambridge
_:result type Train
_:search arrive_by 15:00
_:search destination bishops stortford
_:search type Train
_:search area centre
_:search pricerange expensive
_:result amount several
_:search food dontcare
_:result area Centre
_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:search duration 18:45
_:booking people ?
_:booking name midsummer house restaurant
_:booking ref ZNN1RQ7E
_:booking type Booking
_:system dismissed _:user
_:search day sunday
_:search departure cambridge
_:result count 99
_:result day Sunday
_:result departure Cambridge
_:search arrive_by 15:00
_:search destination bishops stortford
_:result arrive_by 14:07
_:result id TR2402
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_:search people 1
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_:search pricerange expensive
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_:result name Midsummer House Resaurant
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_:booking people ?
_:booking name midsummer house restaurant
_:booking ref ZNN1RQ7E
_:booking type Booking
_:system dismissed _:user
_:search day sunday
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_:result id TR2402
_:system offered _:booking
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_:result food British
_:result name Midsummer House Resaurant
_:result pricerange expensive
_:search duration 18:45
_:booking people ?
_:booking name midsummer house restaurant
_:system dismissed _:user
_:search day sunday
_:search departure cambridge
_:result count 99
_:result day Sunday
_:result departure Cambridge
_:search arrive_by 15:00
_:search destination bishops stortford
_:result id TR2402
_:system offered _:booking
_:result arrive_by 14:07
_:result leave_at 13:29
_:result type Train
_:search people one
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref TZXLECBZ
_:booking ticket 8.08 GBP
_:booking type Booking