The annual fee posted a few days ago and decided that before paying it I'd spin the bottle..
I've never asked for one before so just went straight to the point via online chat.
"Hello, I want to ask if a retention offer available for my platinum card?"
TL;DR
CSR: ..why?
"I haven't been able to travel this year at my normal time."
CSR: ok..(benefits summary)
"uh, huh.."
CSR: how's 20k for $3k in 3/mo sound?
"how about 6 months?"
CSR: nope, you want it or what?
"yep, thanks!"