user_turns: <SILENCE> expensive restaurant in the east part of town east expensive <SILENCE> 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 ? What part of town do you have in mind? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine east R_price curry_prince is in the east part of town . Sure , curry_prince is on curry_prince_address  you are welcome