<|user|> hello , i be look for a cheap restaurant that serve all type of food <|system_actions|>  <|user|> yes , definitely ! what be their numb ? <|system_actions|>  <|user|> be there a place that serve vietnamese ? <|system_actions|> request slot address,request slot number <|user|> i would like a cheap restaurant in any area that serve world food but if there be not one available then vietnamese food would be fine and i just need their phone numb . <|system_actions|> inform food vietnamese <|user|> thank you
inform food vietnamese,inform price range cheap,inform area dontcare