Originally Posted by
SolanaBeach
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I see some speak of "long sell" sorry for my ignorance here but what is that?
Manual ticketing (think "Pan Am" TV show). Depending on the unsophistication of the carriers' hookup, DL sends a telex, a TeleType, or a COBOL message to the other airline. A day or two later, when somebody remembers how to work them, your res is completed.