Originally Posted by
Richmond_Surrey
Book these two separate nights via third party like Expedia or other website or without HH account number/logon if possible?
Originally Posted by
Cymro
That's the fallback and then reach out to the property about Diamond benefits.
Booking on Expedia or other OTA will (officially) prevent you from claiming Honors-Diamond benefits as the property now needs to pay commission fees to the OTAs.
Some properties do in nonetheless but I would not expect much.
For these "overlapping" requirements, I typically book under another program and avoid the hassles.