[{'role': 'USR', 'utterance': 'Have any plans for the weekend, Tom?'}
 {'role': 'SYS', 'utterance': "Yeah, I ' m going for a hike in the southern Rocky Mountains."}
 {'role': 'USR', 'utterance': 'Oh, do you go hiking often?'}
 {'role': 'SYS', 'utterance': 'I go as much as I can. I love hiking because you can really get in touch with nature.'}
 {'role': 'USR', 'utterance': 'It would be nice to get out of the city. Do you want some company?'}
 {'role': 'SYS', 'utterance': 'Sure. But, it will be a long hike, 30 miles in three days. Have you been hiking before?'}
 {'role': 'USR', 'utterance': 'Yeah, I go a lot too. I saw a bear and a mountain lion on my last hike.'}]
{'role': 'SYS', 'utterance': 'Wow! You must have been pretty far away from the city.'}