Yeh! Paxboy and just to really wind em up I tell them when they ask on boarding " sorry you should have asked at check in."
You can see the bubbles form under their skin as their blood boils.
The wierd thing is when I bought a car last year I didn't turn up on the day of collection and demand the next model up.
My attempts in Currys to get a very large widescreen telly by buying a portable and grovelling didn't work either though they were very polite.