By DAVID KOENIG
AP Airlines Writer
DALLAS (AP) — Remember all those thousands of passengers that airlines banned for not wearing face masks? Now the airlines want them back — or at least, most of them. And leaders of unions that represent flight attendants are reacting with outrage. Officials with United Airlines and American Airlines said Thursday that they will lift the bans now that masks are optional on flights. United CEO Scott Kirby says many of those passenger promise to behave, and he believes them. American Airlines official Nate Gatten says most people who were banned for refusing to wear a mask will be allowed back.