user_turns: <SILENCE> im looking for a cheap restaurant in the west part of town um any type of food <SILENCE> what type of food may i have the phone number please 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 cheap price range and the west of town . What type of food would you like? api_call R_cuisine west cheap thanh_binh is a nice place in the west of town and the prices are cheap thanh_binh serves vietnamese food The phone number of thanh_binh is thanh_binh_phone  you are welcome