user_turns: <SILENCE> looking for vietnamese food yes <SILENCE> vietnamese food okay what is the phone number and area of the venue the area where is the area of the venue where is the area of the venue 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 is that right? api_call vietnamese R_location R_price the_gardenia is a great restaurant thanh_binh serves vietnamese food . The phone number of thanh_binh is thanh_binh_phone Can I help you with anything else? thanh_binh serves vietnamese food . Can I help you with anything else? thanh_binh is a nice place in the west of town  you are welcome