<|user|> i be look for a restaurant in the center of town that serve russian food . <|system_actions|>  <|user|> yes please , be there any restaurant serve british food ? <|system_actions|> request slot price range <|user|> no . what be the address and phone numb ? <|system_actions|>  <|user|> thank you , good bye
inform food british,inform price range dontcare,inform area centre