False adverti*****t

they have special running now from 27July to 12 July ,I went sent them whatsapp with the picture of the special I asked if they have the special thwy responded yes,and then I called to verify before I drove there since its a distance from where I stay.when I got there today 10july 2023 am told the garage that is on special is the brown one and I take the special papper from their counter I show them its written all the colors in words .but they refused to give me the garage with the special price and the manager insist its not on special when the papers are stacked by the hardware with the special on it and paper even specify the branch name on it.I told its false adveti*****t since thw only reason I came for the garage was the special they advertised which no longer exist when you get by the shop.I want my money back