Originally Posted by
physioprof
You can use the ANA Web site to choose your seats (at least you can if you are in F, not certain about business). You access your PNR in the ANA system by typing in your actual ticket number, and your *exact* name as it appears in your United PNR.
I've actually been successful to assigning seats even in Y on ANA using their website (although paid, not award). Just follow the quoted tip about the exact name. For some reason, my record includes MR at the end of my first name.