user_turns: <SILENCE> a cheap restaurant in the west part of town any <SILENCE> can i get the address what type of food is it 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 Sure , la_margherita is on la_margherita_address la_margherita serves italian food  you are welcome