[{'role': 'USR', 'utterance': "Anna just email to say that the managers meeting is put off till next Monday. Will you have everything ready by then, Sabrina? Hey Sabrina, what's wrong?"}
 {'role': 'SYS', 'utterance': "I'm so worried. I haven't heard from my sister for 2 weeks."}
 {'role': 'USR', 'utterance': 'How often do you call each other?'}
 {'role': 'SYS', 'utterance': "Normally at least once a week. But she's now a volunteer teacher in a mountain village in Africa. I can only write her."}
 {'role': 'USR', 'utterance': "The Mail can be really slow sometimes. I'm sure you'll hear from her soon."}]
{'role': 'SYS', 'utterance': 'I hope so.'}