user_turns: <SILENCE> world food italian food expensive i dont care <SILENCE> whats the area and the address and the 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 ? I'm sorry but there is no restaurant serving world food There are restaurants serving italian food . What price range do you want? There are restaurants serving italian in the expensive price range . What area would you like? api_call italian R_location expensive stazione_restaurant_and_coffee_bar serves italian food in the expensive price range stazione_restaurant_and_coffee_bar is a nice place in the centre of town Sure , stazione_restaurant_and_coffee_bar is on stazione_restaurant_and_coffee_bar_address The phone number of stazione_restaurant_and_coffee_bar is stazione_restaurant_and_coffee_bar_phone  you are welcome