<|user|> i would like a traditional food restaurant . <|system_actions|> request slot price range <|user|> i do not care . <|system_actions|>  <|user|> how about vietnamese food ? <|system_actions|>  <|user|> yes . i would like their address and phone numb , please . <|system_actions|>  <|user|> and also postcode please ?
request slot postcode,inform food vietnamese,inform price range dontcare