Perhaps a good marketing angle for the airline involved?

[burnable gomi]

Give It Up For This Flight Attendant Who Made $1 Million By Charging Men to Join the Mile-High Club | Maxim (http://www.maxim.com/entertainment/article/flight-attendant-makes-1-million-mile-high-club-2015-9)

[ironbutt57]

some carriers in the region have "sky" everything else, so why not "Sky hookers"?:}

[Wizofoz]

Anecdotally heard that a couple of FAs were offering to provide company in the A380 showers- for a small donation, obviously!!!