user_turns: <SILENCE> west west yes dont care cheap <SILENCE> address 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 ? Sorry would you like something in the west or in the centre Did you say you are looking for a restaurant in the west of town? What kind of food would you like? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine west cheap thanh_binh is a nice place in the west of town and the prices are cheap Sure , thanh_binh is on thanh_binh_address The phone number of thanh_binh is thanh_binh_phone  you are welcome