[{'role': 'USR', 'utterance': 'Excuse me, Miss Ames, can I ask you something?'}
 {'role': 'SYS', 'utterance': 'Sure, John. Ask me anything.'}
 {'role': 'USR', 'utterance': 'OK, would you please oil your door?'}
 {'role': 'SYS', 'utterance': 'What?'}
 {'role': 'USR', 'utterance': 'You always come home so late. And whenever you open the front door, it makes a lot of noise.'}]
{'role': 'SYS', 'utterance': "What do you mean late? I come back around 11:00. That's not late at all."}