[{'role': 'USR', 'utterance': 'Hello, how are you doing today?'}
 {'role': 'SYS', 'utterance': "I ' Ve been having trouble breathing lately."}
 {'role': 'USR', 'utterance': 'Have you had any type of cold lately?'}
 {'role': 'SYS', 'utterance': "No, I haven ' t had a cold. I just have a heavy feeling in my chest when I try to breathe."}
 {'role': 'USR', 'utterance': 'Do you have any allergies that you know of?'}
 {'role': 'SYS', 'utterance': "No, I don ' t have any allergies that I know of."}
 {'role': 'USR', 'utterance': 'Does this happen all the time or mostly when you are active?'}]
{'role': 'SYS', 'utterance': 'It happens a lot when I work out.'}