user_turns: <SILENCE> center center <SILENCE> italian food <SILENCE> 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 R_location R_price golden_wok is a great restaurant api_call italian R_location R_price da_vinci_pizzeria serves italian food .  you are welcome