Originally Posted by
dawizard
So if she's booking it for me, I won't really be assigned a "class" which in turn would disqualify me from getting miles, correct?
Does it matter that I am still paying 50% of the cost?
The only way for anyone here to provide a viable answer to your inquiry is for you to ask your niece for the specific booking class and post it here.
FYI, AAdvantage members earn reduced mileage on discount Qantas flights so you probably won't be missing out on a "good chunk of miles".