United must beat Swindon to stand any chance of survival while Hawley's former club Carlisle must beat Colchester on what is geared to be a dramatic final day.
"I'm still in contact with a couple of the lads at Carlisle," he told the News & Star."I'm throwing them a few texts and seeing if they can do us a favour.
"But obviously they're professional people and they're going to go and try and win the game.
"It's their last home game and I know how much it means to the fans - they're not just going to go half-hearted."