[{'role': 'USR', 'utterance': 'I finally found an apartment that I want to rent.'}
 {'role': 'SYS', 'utterance': 'Where did you see it?'}
 {'role': 'USR', 'utterance': "I saw it in this ad for apartments in today's newspaper."}
 {'role': 'SYS', 'utterance': 'You found an apartment in the ads?'}
 {'role': 'USR', 'utterance': "I really did, but what's so great about it is that it's really affordable."}
 {'role': 'SYS', 'utterance': 'Tell me about the apartment.'}
 {'role': 'USR', 'utterance': 'Well, most importantly the apartment is beautiful.'}]
{'role': 'SYS', 'utterance': 'How much is the rent for the apartment?'}