Originally Posted by
pinniped
No idea why the 1P agent couldn't find my miles. Literally, she quoted my account balance 120k lower than what it should have been, and I was redeeming a 120k award. Clearly the miles had been pulled for that award, but she couldn't "find" them. The MP Service Center did, and I was told that "somebody in Detroit" manually issued my ticket. Screwy.
The miles are typically reserved when you make the award booking to prevent people from booking multiple itineraries if they don't have the miles to support them.