user_turns: <SILENCE> expensive restaurant swiss food <SILENCE> mediterranean food <SILENCE> address 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? api_call swiss R_location expensive Sorry there is no swiss restaurant in the expensive price range api_call mediterranean R_location expensive shiraz_restaurant is a great restaurant serving mediterranean food and it is in the expensive price range Sure , shiraz_restaurant is on shiraz_restaurant_address The phone number of shiraz_restaurant is shiraz_restaurant_phone  you are welcome