user_turns: <SILENCE> moderately priced restaurant no moderately priced restaurant moderately south part of town south i dont care restaurant in the south part of town 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 ? You are looking for a irish restaurant right? Sorry, I can't hear you I'm sorry but there is no restaurant serving irish food Could you please repeat that? I'm sorry but there is no restaurant serving irish food Could you please repeat that? You are looking for a irish restaurant right?  you are welcome