[{'role': 'USR', 'utterance': 'Excuse me, Sir, do you know what time it is?'}
 {'role': 'SYS', 'utterance': "Oh, it's almost eleven twenty."}
 {'role': 'USR', 'utterance': 'Thank you.'}
 {'role': 'SYS', 'utterance': "You're welcome. The rain is quite heavy, isn't it?"}
 {'role': 'USR', 'utterance': 'Yeah. I was in a hurry and I forgot my umbrella today.'}]
{'role': 'SYS', 'utterance': 'I have one. We could share it. Which way are you going?'}