user_turns: <SILENCE> i want a cheap restaurant in the west part of town <SILENCE> what is the address what is what type of food do they serve 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 ? api_call R_cuisine west cheap thanh_binh is a nice restaurant in the west of town in the cheap price range Sure , thanh_binh is on thanh_binh_address thanh_binh is a nice restaurant in the west of town in the cheap price range thanh_binh serves vietnamese food  you are welcome