Just happened to me
Hyatt Washington DC/Convention Center. Stay was booked on Hyatt’s app, Standard Rate, at about 10:42p ET day-of arrival.
Arrived at the hotel at 12:03a. Front desk told me that they didn’t have a room and tried to call me, but also wouldn’t provide a letter saying that I’m being walked. Said there was availability at a Hyatt Place or House or something like that, but I’d have to pay.
Ugh. Been on the phone with globalist line for 25 min hoping for a resolution.