Sometimes you have to be creative:

I neen to fly from ATL to TXL on Oct 3. Not a day earlier or later. I couldn't find any availability. I did multiple searches and combined the following:

ATL/EWR/BDL on CO

and

BDL/AMS/TXL on NW/KL

All available at the PerkSaver rate.

Combining doesn't always work due to the need for 'married segments' - (that's another whole story!) - but this time it did work for me. I know it's going to be a looooong tedious day for me flying 4 segments - including the 757 flight to AMS, but it gets me where I need to go on the exact day I need to go! Of course I'll keep checking for availability for better flights between now and October. I always say one of the best things about being Platinum is not having to pay WP Award Ticket change fees!!