user_turns: <SILENCE> okay let me try this again place that serves portuguese food how about a place that serves portuguese food yes <SILENCE> whats the address to that please 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 ? What part of town do you have in mind? I'm sorry but there is no restaurant serving romanian food You are looking for a portuguese restaurant right? api_call romanian R_location R_price nandos_city_centre serves portuguese food Sure , nandos_city_centre is on nandos_city_centre_address  you are welcome