user_turns: <SILENCE> expnsive african african <SILENCE> address post code post code 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? You are looking for a restaurant serving any kind of food right? api_call african R_location R_price bedouin serves african food Sure , bedouin is on bedouin_address Can I help you with anything else? I am sorry but there is no other african restaurant that matches your request  you are welcome