Originally Posted by
nomii
THANKS for whoever mentioned that KE has a chat service. I was able to get the 8-digit PNR from them, and then using chat figured out that korean air needed to do some "manual amendment" to link their PNR with the 006-ticket, and finally got seats assigned

Great, glad to hear that you are all set.

Whew, what a relief, right?
And yes, always use the KE chat for any such requests. May be at times 1-2 hour long hold times, but it's always very helpful and easier than being on hold on the phone.