user_turns: <SILENCE> airatarin airatarin <SILENCE> whats the address phone number price range 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 north R_price restaurant_two_two is a nice restaurant in the north of town serving french food Sure , restaurant_two_two is on restaurant_two_two_address The phone number of restaurant_two_two is restaurant_two_two_phone restaurant_two_two is in the expensive price range  you are welcome