inform((_:search,area,'centre');(_:search,food,'european');(_:search,type,'Restaurant'))
user
Can you let me know if there are any available european restaurants in the centre area ?
request((_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,area,'centre');(_:result,count,'8');(_:result,food,'European');(_:result,type,'Restaurant'))
system
There are 8 restaurants which serve European cuisine located in the centre . Did you have a price range in mind ?
inform((_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Yes , I 'm looking for a very nice , expensive place .
select((_:result,name,'darrys cookhouse and wine shop');(_:result,name,'eraina');(_:result,name,'michaelhouse cafe');(_:result,type,'Restaurant'))
system
you can choose from eraina , michaelhouse cafe , or darrys cookhouse and wine shop
inform((_:search,name,'darrys cookhouse and wine shop');(_:search,type,'Restaurant')) request((_:result,postcode,?);(_:result,type,'Restaurant'))
user
I m a wine lover , so darrys cookhouse and wine shop   sounds interesting , can i get the postal code for that ?
reqmore() inform((_:result,name,'Darrys Cookhouse and Wine Shop');(_:result,postcode,'cb11ln');(_:result,type,'Restaurant'))
system
Darrys Cookhouse and Wine Shop is located at the cb11ln post code . Do you have any more questions for me ?
inform((_:search,departure,'stevenage');(_:search,type,'Train'))
user
I am also looking for a train coming from Stevenage .
inform((_:result,amount,'many');(_:result,departure,'Stevenage');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,day,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
There are many trains leaving from Stevenage .   What day would you like to travel ? Any preferred time ?
inform((_:search,arrive_by,'15:30');(_:search,day,'friday');(_:search,type,'Train'))
user
I need to leave on Friday .   The train should arrive by 15:30 . Thanks for all your help .
inform((_:result,arrive_by,'14:43');(_:result,day,'Friday');(_:result,destination,'Cambridge');(_:result,id,'TR7785');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR7785 will arrive in Cambridge at 14:43 on Friday . Would you like a ticket ?
thank()
user
Yes please , and thank you .
request((_:search,people,?);(_:search,type,'Train'))
system
How many tickets do you need ?
inform((_:search,people,'5');(_:search,type,'Train'))
user
I need for 5 people please .
reqmore() inform((_:booking,category,'Train');(_:booking,people,'5');(_:booking,ref,'8M7BPAB0');(_:booking,ticket,'64 GBP');(_:booking,type,'Booking'))
system
OK , you have 5 seats booked under reference # 8M7BPAB0 . The total fee will be 64 GBP , payable at the station . Can I help you with anything else ?
thank()
user
No , thank you . That 's all I need at this time .
system
please contact us again in the future . goodbye .
_:search area centre
_:search food european
_:search type Restaurant
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:result type Restaurant
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:search pricerange expensive
_:result name darrys cookhouse and wine shop
_:result name eraina
_:result name michaelhouse cafe
_:result type Restaurant
_:search name darrys cookhouse and wine shop
_:search type Restaurant
_:result postcode ?
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:search pricerange expensive
_:search name darrys cookhouse and wine shop
_:system inquired _:user
_:result name Darrys Cookhouse and Wine Shop
_:result postcode cb11ln
_:result type Restaurant
_:search departure stevenage
_:search type Train
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:search pricerange expensive
_:search name darrys cookhouse and wine shop
_:system inquired _:user
_:result name Darrys Cookhouse and Wine Shop
_:result postcode cb11ln
_:search departure stevenage
_:result amount many
_:result departure Stevenage
_:result type Train
_:search leave_at ?
_:search arrive_by 15:30
_:search day friday
_:search type Train
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:search pricerange expensive
_:search name darrys cookhouse and wine shop
_:system inquired _:user
_:result name Darrys Cookhouse and Wine Shop
_:result postcode cb11ln
_:search departure stevenage
_:result amount many
_:result departure Stevenage
_:search leave_at ?
_:search arrive_by 15:30
_:search day friday
_:search type Train
_:result arrive_by 14:43
_:result day Friday
_:result destination Cambridge
_:result id TR7785
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:search pricerange expensive
_:search name darrys cookhouse and wine shop
_:system inquired _:user
_:result name Darrys Cookhouse and Wine Shop
_:result postcode cb11ln
_:search departure stevenage
_:result amount many
_:result departure Stevenage
_:search leave_at ?
_:search arrive_by 15:30
_:search day friday
_:result arrive_by 14:43
_:result day Friday
_:result destination Cambridge
_:result id TR7785
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 5
_:search type Train
_:search area centre
_:search food european
_:result area centre
_:result count 8
_:result food European
_:search pricerange expensive
_:search name darrys cookhouse and wine shop
_:result name Darrys Cookhouse and Wine Shop
_:result postcode cb11ln
_:search departure stevenage
_:result amount many
_:result departure Stevenage
_:search leave_at ?
_:search arrive_by 15:30
_:search day friday
_:result arrive_by 14:43
_:result day Friday
_:result destination Cambridge
_:result id TR7785
_:result type Train
_:system offered _:booking
_:search people 5
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking people 5
_:booking ref 8M7BPAB0
_:booking ticket 64 GBP
_:booking type Booking