Originally Posted by
Dave Noble
In this case, you may be able to assign seats for the Qantas flight on the Qantas site. If you go to Qantas.com and use its manage booking facility, you may well be able to select seats for free) . Alternatively go back to your TA
Fwiw I had a number of AA-booked flights on QF in the spring and managed them all on the Qantas website. IIRC in some cases I was able to use the AA-generated PNR on the QF website and in some cases I had to call AA to ask for the corresponding QF PNR.