Originally Posted by
Proudelitist
The asker doesn't get to determine what is "minor". The askee does. And the askee is allowed to say no, and is not rude for doing so.
Besides, a true gentleman carries his own pen.
As a factual matter, and not subject to determination by you or anyone else, a request by a fellow traveler to borrow a pen for a few minutes, to fill out travel forms, is hardly more than "minor." You, sir, are not a gentleman in my view.