The agent calmly replied, "I'm sorry, Sir. I'll be more than happy to help you, but I've got to help these folks first. I'm sure we'll be able to work something out."
The passenger, unimpressed, obviously now trying to bring attention to himself, yelled, "Do you have any idea who I am?"
Without hesitating, the gate agent smiled and spoke into her public address microphone, "May I have your attention, please? We seem to have a passenger here who does not know who he is. If anyone can help him, please come to the front of the line."
With this, the line broke out in laughter, the man glared at the United agent and swore, "F*#@ YOU!"
Without wincing, the agent smiled and said, "I'm sorry, Sir, buy you'll have to stand in line for that, too."
The man then retreated to a howl of laughter. Although the flight was canceled, the remaining passengers were no longer mad at United.