user_turns: <SILENCE> cheap restaurant dont care west part of town <SILENCE> phone number phone number type of food repeat type of food type of food type of food 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 ? There are restaurants in the cheap price range . What type of food do you want? There are restaurants serving any kind of food in the cheap price range . What area 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 thanh_binh is a great restaurant The phone number of thanh_binh is thanh_binh_phone thanh_binh serves vietnamese food Can I help you with anything else? thanh_binh is a nice place in the west of town and the prices are cheap thanh_binh is a great restaurant thanh_binh serves vietnamese food  you are welcome