user_turns: <SILENCE> looking for a cheap restaurant in the west part of town it doesnt matter <SILENCE> is there anything else address and post code post code 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 and the west of town . What type of food would you like? api_call R_cuisine west cheap la_margherita is a nice place in the west of town and the prices are cheap thanh_binh is a nice place in the west of town and the prices are cheap thanh_binh is on thanh_binh_address The post code of thanh_binh is thanh_binh_post_code  you are welcome