The travel agent/QR ticketing staff should add your Qbiz track code in the OSI(Other Service Information) field of the booking.
Following are sample entries per Computerized Reservations used:
Amadeus - OS QR DC/QAQB99
Galileo - SI.QR*DC/QAQB99
Sabre/Abacus - 3OSI QR DC/QAQB99
Worldspan - 3OSI QR DC/QAQB99
Travelsky - OSI QR DC/QAQB99
Note: QAQB99 is just a sample Qbiz track code. Your own Qbiz track code is indicated in your welcome email.