A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
You can decline the upgrade (don't check yes in the upgrade request box) unless a dummy booking shows a seat map with FC seats together. Otherwise, you risk being cleared at your window into FC seats that aren't together and having your coach seats together given away at the same time.