user_turns: <SILENCE> no in the south how about portuguese food how about portuguese food portuguese type of food yes <SILENCE> what is the phone number and address i want to know the phone number what is the address thank you good bye 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 ? Did you say you are looking for a restaurant in the centre of town? I'm sorry but there is no international restaurant in the south of town Could you please repeat that? You are looking for a portuguese restaurant right? api_call portuguese R_location R_price nandos is a nice place in the south of town serving tasty portuguese food Can I help you with anything else? The phone number of nandos is nandos_phone Sure , nandos is on nandos_address Can I help you with anything else?  you are welcome