user_turns: <SILENCE> ah yes im looking for persian food and i dont care about the pri um it doesnt matter ah yes im looking for persian food though okay ah how bout portuguese food okay um well how bout portuguese ah yes no portuguese yes <SILENCE> okay and ah can i get their phone number please and their address okay and they serve portuguese food correct <SILENCE> okay uh thank you and goodbye
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 ? What part of town do you have in mind? Ok , a restaurant in any part of town is that right? What kind of food would you like? I'm sorry but there is no restaurant serving persian food Ok , a restaurant in any part of town is that right? You are looking for a persian restaurant right? Let me confirm , You are looking for a restaurant and you dont care about the price range right? api_call persian R_location R_price nandos_city_centre serves portuguese food The phone number of nandos_city_centre is nandos_city_centre_phone Sure , nandos_city_centre is on nandos_city_centre_address api_call portuguese R_location R_price nandos_city_centre serves portuguese food  you are welcome