user_turns: <SILENCE> yea id like a european <SILENCE> mediterranean food about portuguese portuguese food in the south part of town <SILENCE> what is the phone number 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 ? You are looking for a restaurant is that right? api_call european R_location R_price don_pasquale_pizzeria is a great restaurant I am sorry but there is no vegetarian restaurant that matches your request nandos_city_centre serves portuguese food . api_call portuguese R_location R_price nandos is a nice restaurant in the south of town serving portuguese food The phone number of nandos is nandos_phone Sure , nandos is on nandos_address  you are welcome