user_turns: <SILENCE> <SILENCE> restaurant in the south part of town caribbean food no caribbean food how about italian food uh no im looking for italian food 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 kind of food would you like? You are looking for a restaurant serving any kind of food right? I'm sorry but there is no restaurant serving caribbean food Could you please repeat that? Did you say you are looking for a restaurant in the south of town?  you are welcome