user_turns: <SILENCE> <SILENCE> cantonese north_american <SILENCE> address what is the what is the phone number what is the address price range what is the price range 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 ? Would you like something in the cheap , moderate , or expensive price range? I am sorry but there is no cantonese restaurant that matches your request api_call north_american R_location R_price gourmet_burger_kitchen serves north_american food . Can I help you with anything else? Sure , gourmet_burger_kitchen is on gourmet_burger_kitchen_address The phone number of gourmet_burger_kitchen is gourmet_burger_kitchen_phone Sure , gourmet_burger_kitchen is on gourmet_burger_kitchen_address Can I help you with anything else? gourmet_burger_kitchen is in the expensive price range  you are welcome