Unhappy client

Not happy with the service I received from Jubilee Mall Mr Price. I have an active account with the company but was not allowed to use the card for purchases since we'll I did not present any sort of identification irrespective of me having a full proof that the account belongs to me. Had a copy in my phone and also an active app on my phone. I thought I was being informed only for the cashier to cancel the transaction and not even utter a word forward.