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
The good news is that the hotel isn't full and you have a room. Given that you have a written confirmation, I would expect the hotel to honor the lower prepaid rate (and to only charge you once, of course).