I think you did the right thing, most people just let people be blantantly rude to them and ignore it. Some people that are rude like that need a reminder, especially when they’re constantly interacting with people that they need to be more respectful. Maybe next time she will give you a second of her day to help you.
I know a poet. He’s as sweet as pie, writes poems about me that make me cry. Arthur Miller, 12 years senior, he’s my bugga baby sigh.