user_turns: <SILENCE> serves lebanese food lebanese food lebanese <SILENCE> and 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 ? Did you say you are looking for a restaurant in the centre of town? What kind of food would you like? api_call lebanese R_location R_price ali_baba is a nice place in the centre of town serving tasty lebanese food Sure , ali_baba is on ali_baba_address  you are welcome