Evening all...
Kaptin M - if your own flight attendants aren't familiar with the term 'cabin crew' if I were you, I'd consider cross checking (not dressing) them myself.
This is a universal term to describe the various job titles of effay's around the world. Not that it's your problem though...top marks for trying to get things right (for a change - LOL!)
Cabinboy means no malice towards you...just continue being nice and he wont bite back! See - he even called you SIR!!!!
Merry Xmas to all and to all a good nite!