user_turns: <SILENCE> west part of town moderatley price dont care west moderately <SILENCE> phone number 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? There are restaurants if you don't care about the food . What area do you want? There are restaurants in the west of town serving any kind of food . What price range would you like? api_call R_cuisine west moderate prezzo is a nice place in the west of town and the prices are moderate The phone number of prezzo is prezzo_phone  you are welcome