user_turns: <SILENCE> i would like a cheap restaurant in the west part of town yes in the west part of town cheap <SILENCE> whats the phone number thank you goodbye
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 ? Let me confirm , You are looking for a restaurant in the cheap price range right? What kind 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 The phone number of thanh_binh is thanh_binh_phone  you are welcome