user
Is there any place that serves BBQ around here ?
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant'))
system
I 'm sorry there are no bbq places in the city , Is there another type of food you would be interested in ?
inform((_:search,food,'Portuguese');(_:search,type,'Restaurant'))
user
I am interested in Portuguese food .
select((_:result,area,'centre');(_:result,area,'south');(_:result,type,'Restaurant')) inform((_:result,count,'2');(_:result,food,'portuguese');(_:result,type,'Restaurant'))
system
There are two portuguese restaurants . Would you prefer the south or centre part of town ?
request((_:result,address,?);(_:result,type,'Restaurant'))
user
I do n't care . can you give me one of the address ?
inform((_:result,area,'south');(_:result,name,'nandos');(_:result,phone,'01223 327908');(_:result,type,'Restaurant'))
system
Sure , nandos in the south and its phone number is 01223 327908
inform((_:search,pricerange,'dontcare');(_:search,type,'Restaurant'))
user
I do n't care about the price range .
system
Thank you for using the Cambridge restaurant system . Good bye .
_:system canthelp _:search/50f3d140
_:search/50f3d140 type Restaurant
_:search food Portuguese
_:search type Restaurant
_:system canthelp _:search/50f3d140
_:search/50f3d140 type Restaurant
_:search food Portuguese
_:search type Restaurant
_:result area centre
_:result area south
_:result count 2
_:result food portuguese
_:result type Restaurant
_:result address ?
_:system canthelp _:search/50f3d140
_:search/50f3d140 type Restaurant
_:search food Portuguese
_:result count 2
_:result food portuguese
_:result address ?
_:result area south
_:result name nandos
_:result phone 01223 327908
_:result type Restaurant
_:search pricerange dontcare
_:search type Restaurant