The industrial military complex is built on funding for proxy wars with Russia. I wonder if the issue this time is that they are worried that with Russia directly involved instead of by proxy, this war may end up breaking Russia if they lose. Dismantling the perpetual antagonist that motivates further funding of the war machine is not in the interest of those who make money on wars.
Better yet, demand loudly to get a refund. When they say there is nothing to refund, insist that you have an email confirming a booking.