worst service i have ever received

On the 13th October i called Telkom for a reference number to make a payment , a girl then smsd me with a reference number , i then proceeded with the payment . on the 20th they cut 2 of lines and stated it was dur to non payment , i then called telkom and advised i had made the payment , they asked me for the reference number , after giving it to them they said they do not have a reference number starting in \951""