user_turns: <SILENCE> cheap in the west part of town yes cheap restaurant 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 ? Did you say you are looking for a restaurant in the west of town? Let me confirm , You are looking for a restaurant in the cheap price range right? What kind of food would you like?  you are welcome