user_turns: <SILENCE> vegetarian food in the east part of town indian food indian food yes indian 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 ? I'm sorry but there is no restaurant serving vegetarian food Could you please repeat that? Did you say you are looking for a restaurant in the east of town? There are restaurants serving indian in the east of town . What price range would you like?  you are welcome