Originally Posted by golfteam
How could that be....I have a confirmed seat for the return in F.
THat's skchin's attempt at humor
A is technically a Y fare but confirmed upgrade to FC. If you paid for actual FC ticket (F fare), then you are the last one that would be downgraded.
Lack of open seats on the seat chart does not mean lack of seats. THey usually have a couple seats showing as being taken that aren't really. In economy, the bulkheads always show as taken, but you can get them at the airport when checking in.