user_turns: <SILENCE> south part of town polynesian food portuguese portuguese <SILENCE> phone number phone number address 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 ? There are restaurants in the south of town . What type of food do you want? I'm sorry but there is no restaurant serving polynesian food Could you please repeat that? api_call portuguese R_location R_price nandos is a nice place in the south of town serving tasty portuguese food Could you please repeat that? Can I help you with anything else? Sure , nandos is on nandos_address The phone number of nandos is nandos_phone  you are welcome