[{'role': 'USR', 'utterance': 'Good morning. May I help yon?'}
 {'role': 'SYS', 'utterance': "I'd like to rent a car, please."}
 {'role': 'USR', 'utterance': 'Okay. Full-size, mid-size, or compact, madam?'}
 {'role': 'SYS', 'utterance': "Compact is OK. What's the rate?"}
 {'role': 'USR', 'utterance': '78 dollars a day.'}
 {'role': 'SYS', 'utterance': "And I'd like to have insurance just in case."}
 {'role': 'USR', 'utterance': 'If you want full coverage insurance, it will be 8 dollars per day.'}
 {'role': 'SYS', 'utterance': "All right, I'll take that, too."}
 {'role': 'USR', 'utterance': 'Here is our brochure, madam. Er... compact... OK. Please choose a model in this section.'}
 {'role': 'SYS', 'utterance': 'How about this one?'}
 {'role': 'USR', 'utterance': 'All right. How many days would you like to use it?'}
 {'role': 'SYS', 'utterance': 'Just one day.'}
 {'role': 'USR', 'utterance': "May I see your driver's license, please?"}]
{'role': 'SYS', 'utterance': 'Is an international driving license fine?'}