[{'role': 'USR', 'utterance': 'How can I help you mam?'}
 {'role': 'SYS', 'utterance': 'I was hoping you could look at my car today for the past few weeks. It has been making very strange noises.'}
 {'role': 'USR', 'utterance': 'What kinds of noises?'}
 {'role': 'SYS', 'utterance': "It sounds as if something is being damaged in the wheels. It only happens when I'm slowing down."}
 {'role': 'USR', 'utterance': "Wow, it sounds like you need new brakes.You'll have to leave the car with us until tomorrow."}]
{'role': 'SYS', 'utterance': "Gosh, I was thinking you'd be able to get it back to me this afternoon."}