Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
Put the first segment on a free, five-day hold. Then, call back during the hold period to add the second segment. Since you won't be re-depositing any miles, there will be no fee for this.