Originally Posted by CPRich

In theory, you should be able to cancel, freeing inventory, then redeem it. But I'd exhaust all channels with the hotel, and even consider staying with C&P, before trying it. Someone may just hit the timing right to get it from you.

Originally Posted by mahasamatman

There's very little chance of that working. It's extremely rare that canceling an award when there's no inventory results in award inventory. Hotels overbook the base rooms knowing they'll upgrade people.