user_turns: <SILENCE> japanese food japanese food no japanese food japanese food <SILENCE> phone number phone number post code thank you good bye thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? You are looking for a restaurant serving any kind of food right? You are looking for a cantonese restaurant right? I'm sorry but there is no restaurant serving cantonese food Could you please repeat that? api_call japanese R_location R_price wagamama serves japanese food Can I help you with anything else? The phone number of wagamama is wagamama_phone The post code of wagamama is wagamama_post_code Can I help you with anything else?  you are welcome