user_turns: <SILENCE> <SILENCE> i am looking for a cheap restaurant in the west part of town <SILENCE> what is 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? api_call R_cuisine west cheap thanh_binh is a nice restaurant in the west of town in the cheap price range The phone number of thanh_binh is thanh_binh_phone  you are welcome