user_turns: <SILENCE> cheap restaurant west part of town west <SILENCE> is there anything else is there anything else what else what kind of food do they serve what is the 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 ? What part of town do you have in mind? 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 la_margherita is a nice restaurant in the west of town in the cheap price range la_margherita serves italian food Sure , la_margherita is on la_margherita_address  you are welcome