Join Date: Apr 2021
Location: Manhattan, Palm Beach Island, San Francisco, Boston, & Hong Kong
Programs: Lifetime United Global Services, Delta Plat, Hyatt Globalist, Marriott Ambassador, & Hilton Diamond
Posts: 3,165
Just contact the hotel. A great hotel will proactively email you and offer to link the reservations together. Your situation seems trickier though. Marriott CS can help you but they would just be contacting the hotel on your behalf.