Originally Posted by
Often1
There is no reason at all to have the unticketed PNR on hold open. Once you have verified that the hold is still there and not loused up, close out of the browser entirely.
Then go back and book the new ticket in the new fare bucket and after you have the new e-ticket number, go back and release the hold.
It won't let you do this assuming it's the same passenger on the same flights.