[{'role': 'USR', 'utterance': 'Hello.'}
 {'role': 'SYS', 'utterance': 'Hello, dad?'}
 {'role': 'USR', 'utterance': 'Yes... Mary! How are you? Anything wrong?'}
 {'role': 'SYS', 'utterance': "Oh, no. I just wanted to call and see how you and mom are. It's been quite a while since I saw you last time."}
 {'role': 'USR', 'utterance': "Oh, we're both fine. Your mother is down at the new shopping center shopping."}
 {'role': 'SYS', 'utterance': 'For a new dress?'}
 {'role': 'USR', 'utterance': "No, for shoes this time, I think. How's David?"}
 {'role': 'SYS', 'utterance': "He's fine. He likes his work and was given a raise last month by Mr. Smith. We are all pretty pleased about that."}
 {'role': 'USR', 'utterance': 'Yes, I think you should be. And how are the children?'}
 {'role': 'SYS', 'utterance': "Well, George's home from school today. It's nothing serious, just a bad cold. And. it's his birthday, too!"}
 {'role': 'USR', 'utterance': 'Oh, I thought his birthday was May 24th.'}
 {'role': 'SYS', 'utterance': 'No. April 24th.'}
 {'role': 'USR', 'utterance': "Well, that's too bad. Tell him we'll send him a present."}]
{'role': 'SYS', 'utterance': "All right. Diane's still taking dancing lessons."}