user_turns: <SILENCE> im looking for a restaurant in the west part of town i dont care bask food <SILENCE> how about vietnamese <SILENCE> how about vietnamese okay whats the phone number 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? What kind of food would you like? api_call R_cuisine west R_price Sorry there is no basque restaurant in the west of town api_call vietnamese west R_price saint_johns_chop_house is a nice restaurant in the west of town serving british food thanh_binh is a nice restaurant in the west of town serving vietnamese food The phone number of thanh_binh is thanh_binh_phone  you are welcome