[{'role': 'USR', 'utterance': 'Hi charles, I want you know that I finally found an apartment in Haitian.'}
 {'role': 'SYS', 'utterance': 'You did? that is great!'}
 {'role': 'USR', 'utterance': 'Yeah, I am having a party this saturday night, a sort of house warming, and i want to invite you. are you busy?'}
 {'role': 'SYS', 'utterance': 'No I am free, I will be there, what time the thing starting?'}
 {'role': 'USR', 'utterance': 'Around seven.'}
 {'role': 'SYS', 'utterance': 'Ok, great, should I bring anything?'}
 {'role': 'USR', 'utterance': "No, but thanks for offering, actually could you bring some fold-up chairs for people if you have any? I am afraid not everyone's going to have a seat, do you have any?"}]
{'role': 'SYS', 'utterance': 'sure, I will be happy to bring a few, what is the address?'}