not sure what exactly you mean with 'clearing the decks'? was it a booking request? did you decline it within the necessary 24 hour time frame? or was it just an inquiry that ultimately didn't go anywhere?
In case Airbnb blocked those dates, that means you didn't answer/approve or decline in the proper time frame. Then you need to call Airbnb, explain, and get those dates opened up again.
Then, send those potential guests a brand new special offer: consider everything, include your cleaning fee, come up with the total fee that is due to you. that's what you have to put in the box for the amount. (the security deposit will remain in place, as you have it listed.) The guest has to accept this offer , and you're all set. keep in mind that from that ampount, Airbnb will subtract the 3% from you as they always do.
Hope it all works out, happy hosting!