Originally Posted by
meechyathere
Sounds like the agent is confused and thinks this was a voluntary change. Even complimentary upgrades get preserved in an involuntary change subject to availability. The alternative itinerary through JFK is well justified given it is the only one that offers the cabin you were confirmed in.
Key is to never bring up the fact that it was an upgrade. Just say my flight was changed/cancelled by AA, I'd like to be rebooked on XYZ flight in J.