@Lucky - I know, am being lazy. Spank me! LOL
Yes, I have used this successfully before - especially when I had multiple-city flights and had to use my other travel awards and status across Delta, United, and other airlines. I don't remember the costs, exactly, but I remembered that looking at the exact flight plan myself vs. when they booked it for me, I only had to pay 30-40% of what I had initially thought.