user_turns: <SILENCE> a cheap restaurant in the west part of town i do not care <SILENCE> may i have the address thank you goodbye
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