user_turns: <SILENCE> im looking or <SILENCE> greek food okay what about european <SILENCE> what about european <SILENCE> what is 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? api_call R_cuisine R_location R_price hotel_du_vin_and_bistro is a great restaurant I am sorry but there is no greek restaurant that matches your request api_call greek R_location R_price curry_garden serves indian food . api_call european R_location R_price michaelhouse_cafe serves european food . The phone number of michaelhouse_cafe is michaelhouse_cafe_phone  you are welcome