Originally Posted by
davetravels
Well, I certainly don't claim to be a know-it-all, but, in theory, usually F7 Y3 - or, 10 seats available for sale means that it's not overbooked/sold.
that doesn't mean they are willing to sell 10 seats. they might only be willing to only sell 7 seats. You could buy one seat and it might go to F6Y2.