Utmost bad service and attitude from magaer istore kolonade

I have apply for device at Istore Kolonade the service provider Telkom gave errors the sales person said they will call me upoj going back this morning there was one person assisting and the manager have a rude and arrogant att and not help full utmost bad att i said i go to report him he say i am welcome i ask for the complainst details he said its on website inasknhim to assist now he ask if i have an appointment and insaid no inhad yesterday he even turn me away well done apple sure you get lost of business treat clients like that