user_turns: <SILENCE> i want vegetarian food it doesnt matter portuguese how about portuguese yes yes 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? What kind of food would you like? I'm sorry but there is no restaurant serving vegetarian food Ok , a restaurant in any part of town is that right? You are looking for a greek restaurant right? I'm sorry but there is no restaurant serving greek food  you are welcome