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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
Did you get a confirmation after making the change? Did you make a printout or screenshot of the change?
Even if it was a mistake rate, it is not proper for the hotel to change the reservation without telling you.