Booking / admin fees for ticket purchases.
This article from MacMillan Dictionary Blog on this very phrase is decent, suggesting that whilst Americans have accepted the change, Brits are still a bit slow on the uptake. Also worth mentioning, this article is from 8 years ago...
http://www.macmillandictionaryblog.com/can-i-get
Parents who finally get to the front of the concourse kiosk and only then ask what their children would like.
Oh yes! and also people who don't have their money ready to pay at the till even though they've just been standing in a queue to pay for something.