user_turns: <SILENCE> um im looking for a restaurant in the center part of town that serves lebanese food <SILENCE> whats the address and phone number phone number okay 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 is a nice place in the centre of town serving tasty lebanese food Sure , ali_baba is on ali_baba_address The phone number of ali_baba is ali_baba_phone  you are welcome