user_turns: <SILENCE> lebanese food <SILENCE> 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 ? api_call lebanese R_location R_price ali_baba serves lebanese food . The phone number of ali_baba is ali_baba_phone ali_baba serves lebanese food .  you are welcome