user_turns: <SILENCE> yeah im in the west part of town and im looking for some vietnamese vietnamese food <SILENCE> okay whats the phone number and whats the post code 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 ? There are restaurants in the west of town . What type of food do you want? api_call vietnamese west R_price thanh_binh is a nice place in the west of town serving tasty vietnamese food The phone number of thanh_binh is thanh_binh_phone The post code of thanh_binh is thanh_binh_post_code  you are welcome