Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)

It would help if you provided more details. In what country was the ticket purchased? What airline? What route? What fare?

The PNR identifier is typically a six-character code; it might be the "reference code" mentioned in the carrier's Email.