user_turns: <SILENCE> i would like an africa restaurant in the center <SILENCE> repeat i would like a african restaurant in the center of town <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 ? api_call R_cuisine R_location R_price bedouin serves african food Can I help you with anything else? api_call african R_location R_price bedouin is a nice place in the centre of town serving tasty african food Sure , bedouin is on bedouin_address  you are welcome