[{'role': 'USR', 'utterance': 'I need help with the office party.'}
 {'role': 'SYS', 'utterance': 'Yes, of course. We could split it. What part would you like to do, the food or the entertainment?'}
 {'role': 'USR', 'utterance': 'I have no idea what the entertainment should be.'}
 {'role': 'SYS', 'utterance': "Let's make sure we are on the same page. Do we want a formal or informal gathering?"}
 {'role': 'USR', 'utterance': "Let's make it a formal affair."}
 {'role': 'SYS', 'utterance': 'Yes, that would be best. Now, for food should we have Chinese or American food?'}
 {'role': 'USR', 'utterance': 'American food would be the best choice.'}]
{'role': 'SYS', 'utterance': 'That would be great. What kind of music would you like, a band or recorded music?'}