user_turns: <SILENCE> i want a cheap restaurant in the west part of town <SILENCE> <SILENCE> <SILENCE> can i get the phone number and address 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 ? api_call R_cuisine west cheap thanh_binh is a nice restaurant in the west of town in the cheap price range You are looking for a restaurant is that right? 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