<|user|> hello , i have like to find a expensive cantonese restaurant . <|system_actions|>  <|user|> how about north american food ? <|system_actions|> request slot phone <|user|> yes , i would like their phone numb and postcode , please . <|system_actions|>  <|user|> no , thank you for the information . goodbye .
inform food north american,inform price range expensive