Is there a particular order to proceed in transferring the points? Does it work only if you make a reservation?
Once logged into AMEX account i could not see the offer anymore and got the message
We're sorry but Flight Finder Room Finder is not available in the Membership Rewards Express program.
Try using Pay with Points instead for all your travel needs. With this feature, you can use points for flights on any airline with no restrictions or blackout dates!