[{'role': 'USR', 'utterance': 'Excuse me, this is my first time on a plane. How do I check in?'}
 {'role': 'SYS', 'utterance': 'May I see your ticket, please?'}
 {'role': 'USR', 'utterance': 'Yes. Here you are.'}
 {'role': 'SYS', 'utterance': 'You can get a boarding pass at that counter. Do you have anything to check in?'}
 {'role': 'USR', 'utterance': 'No, I only have a handbag.'}]
{'role': 'SYS', 'utterance': 'Then you could wait in the departure area after going through security.'}