Seller Trying to Back out of Contract

[John Bell]

I have my first rei property under contract and we are scheduled to close this Thursday. The price agreed was $47,000 plus the seller putting $2,000 towards closing. Today the title company sent the seller and me the HUD statement and the seller is claiming she never agreed to $2,000 towards closing. The contract says $2,000 towards closing in section 12 and the sellers signed it. Should I confront the seller? wait? or call a lawyer? I have the text messages where she agreed as well.