Just hang in there. Honesty is always the best policy, and there are a few regionals that will give you a shot. I hear from these boards pinnacle,psa,air wisky are understanding over such things. Learn from your last experience and move forward. there may be a few others, so maybe some more folks on these boards can chime in.
If your curious as to what they put on your PRIA records, do a check on yourself. If they asked you to resign and it shows resigned during training and nothing else, they did you a HUGE favor. Learn from it and keep on trucking!