user_turns: <SILENCE> im looking for a restaurant that serves welsh food what about portuguese food portuguese food doesnt matter <SILENCE> i dont care <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 ? I'm sorry but there is no restaurant serving welsh food Could you please repeat that? There are restaurants serving portuguese food . What area do you want? Ok , a restaurant in any part of town is that right? Would you like something in the cheap , moderate , or expensive price range? api_call welsh 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  you are welcome