Bad customer service

Phumzile the cashier lady I went to checkers hyper in menlyn to get a meal so I saw a promo running by the shelf's They were merchandising the c***** brand So I saw the fruit forest under buy two for R30 when using the checkers card Went to the tills they told me they cannot overide it cos it is not not promo their manager Shaun calling me names on how I am crazy I cannot be getting the fruit forest on promo The manager was so rude treating me as if I a insane