Tucson,Phx.. how to sell Brad Paisley tickets?

I have two tickets for this Thur, in Phx I can't use them they are good seats, paid $150.00 will take $100 or reasonable offer, don't want them to go to waste.. anyone have a clue , I tried Craigs list no one has called, I need to sell them, not sure but you can email me with ideas..? if anyone reads this and can use them? thank you!!