Originally Posted by
rankourabu
You shouldve left it alone and not assign a seat at all.
They would place you in E+ for free at checkin if everything else is full.
Whats the worst that couldve happened? Youd end up in middles... which is where you are now anyway.
I couldn't have known before as it was an AC booking, had to call to be able to get seats, or make changes.