The original suggestion will work just fine.
I have done this once. [Purchase a round
trip tkt] via a travel agent.

Of course; once you've got one electronic
confirmation, it is trivial to dummy-up a
duplicate for whatever date, flight, name
you choose.

I've done it twice since 9/11 to meet others
at the gate.

It ain't security. It ain't about security.
It's about a bunch of congresscritters who
are trying to keep their phoney-baloney jobs.

-doug