Wirelessly posted (BlackBerry8900/5.0.0.348 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/100)
I'm not sure when you bought your ticket, but you may want to put in your upgrade request a little sooner in the future.
If you do it by phone or website you will not have to deal with the agents at the airport either, for upgrade requests.