user_turns: <SILENCE> im looking for a restaurant in the west part of town and it should be cheap any cheap <SILENCE> whats their phone number whats 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 kind of food would you like? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine west cheap la_margherita is a nice restaurant in the west of town serving italian food The phone number of la_margherita is la_margherita_phone Sure , la_margherita is on la_margherita_address  you are welcome