user_turns: <SILENCE> im looking for a restaurant in the center of town that serves african african <SILENCE> whats 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 ? What kind of food would you like? api_call african R_location R_price bedouin is a nice restaurant in the centre of town serving african food Sure , bedouin is on bedouin_address The phone number of bedouin is bedouin_phone  you are welcome