inform((_:search,area,'centre');(_:search,type,'Restaurant'))
user
I am looking for a restaurant in the centre area .
request((_:search,area,?);(_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,count,'69');(_:result,type,'Restaurant'))
system
I have 69 places , which type of food would you like or price range ?
inform((_:search,food,'vegetarian');(_:search,type,'Restaurant'))
user
I 'd like a vegetarian restaurant .
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant')) inform((_:result,food,'vegetarian');(_:result,type,'Restaurant'))
system
Unfortunately , there are no vegetarian restaurants . Is there another cuisine you would like to try ?
inform((_:search,food,'international');(_:search,type,'Restaurant'))
user
That 's disappointing . Can you try international food instead ?
request((_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,count,'2');(_:result,food,'international');(_:result,type,'Restaurant'))
system
I have two international restaurants available .   is there a price range you would like to stay within ?
inform((_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
I am looking for something in the moderate price range .
system
the varsity restaurant and bloomsbury restaurant are in the moderate price range . Which one would you like ?
_:search area centre
_:search type Restaurant
_:search area ?
_:result count 69
_:result type Restaurant
_:search food vegetarian
_:search type Restaurant
_:search area ?
_:result count 69
_:system canthelp _:search/822e647d
_:search/822e647d type Restaurant
_:result food vegetarian
_:result type Restaurant
_:search food international
_:search type Restaurant
_:search area ?
_:system canthelp _:search/822e647d
_:search/822e647d type Restaurant
_:search food international
_:result count 2
_:result food international
_:result type Restaurant
_:search pricerange moderate
_:search type Restaurant