user_turns: <SILENCE> i would like to find a cheap restaurant in the west part of t any kind of food <SILENCE> can i have the address please 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 kind 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  you are welcome