user_turns: <SILENCE> expensive restaurant that serves lebanese food yes <SILENCE> address phone number and area area of the venue 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 ? You are looking for a lebanese restaurant right? api_call lebanese R_location R_price ali_baba serves lebanese food The phone number of ali_baba is ali_baba_phone ali_baba is a nice place in the centre of town  you are welcome