[{'role': 'USR', 'utterance': "I'd like two tickets for the movie on Friday, please."}
 {'role': 'SYS', 'utterance': 'For which movie, madam?'}
 {'role': 'USR', 'utterance': "Oh, that's right. Dark and Stormy Night."}
 {'role': 'SYS', 'utterance': "I'm sorry, that show is sold out."}
 {'role': 'USR', 'utterance': 'Well, how about Saturday or Sunday?'}
 {'role': 'SYS', 'utterance': 'Yes madam, we do have tickets available for that movie on those days.'}
 {'role': 'USR', 'utterance': 'Are there any seats left for the middle row for Saturday?'}]
{'role': 'SYS', 'utterance': 'Yes, but they are not next to each other.'}