" Sir, I'm sorry, but there's no more room on that flight in F class, only revenue seats. You'll have to get on the standby/waiting list at the airport for the 7 remaining seats. Yes your return flight 2 days later has one F seat left. Let me upgrade it now so you don't have to wait."
No further comment......
[This message has been edited by NJDavid (edited 03-07-99).]