Originally Posted by
mersk862
Push comes to shove, if they won't do it, you can redeem some miles immediately for a ticket, get the boarding pass, go through security and once through call back and redeposit the miles. Much like buying a full Y ticket and cancel/refunding, but it won't tie up a credit card at all.
Does mileage redeposit count against one of your two PM changes? I much prefer the purchased ticket route. If refunded the same day as purchased, it often never even shows up on the credit card statement.