total sports cape town store

im utterly dissapointed in the service i received from your total sports branch in cape town CBD, i went there to go change my sons takkies that i bought at cape gate mall total sports, but the receipt i had was the wrong one,, when i asked the manager if he cant get the slip from the store, he advised me that then one of the staff members will need to leave the floor and look for the receipt, they swipped my account card and nothing was also picking up and the shoes was bought on account on the 24.12.20 is this the service that paying customers get