user_turns: <SILENCE> portuguese food portuguese food yes <SILENCE> is there anything else anything else phone number area 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 ? I'm sorry but there is no restaurant serving cantonese food You are looking for a portuguese restaurant right? api_call portuguese R_location R_price nandos_city_centre serves portuguese food nandos serves portuguese food I am sorry but there is no other portuguese restaurant that matches your request nandos is a great restaurant nandos is a nice place in the south of town The phone number of nandos is nandos_phone  you are welcome