False Advertising!!!

On Saturday evening we saw a special online. Advertising the Oregan 3 Piece Leather Air Lounge Suite Brown for R6999.95 a R12 000 discount.(Bradlows online) On Sunday we went to town to purchace it, but both branches were closed at 09:20am in the morning even though they should be open according to Google. Monday morning we went back to the branch at about 08:40 am just to be told that it was a system error, they were very helpful at the branch. But head office told me Even though I have screenshots of the price and everything they cannot help me because the price has been fixed online. I feel this is false advertising and that I deserve to get the discounted price. I am very unhappy about this.