UNHAPPY CLIENT

I have made a payment on line for the month of March and that payment was never allocated, boy oh boy they were very quick to call and tell me how my account is in arrears , sent the POP to this email address Proof Of Payment <***>and it was said they will escalate the payment and allocate it to this day nothing was allocated,,,,MAY YOU PLEASE ALLOCATE IT TOWARDS MY ACCOUNT AND QUICK CALLING ME AND RUINING MY CREDIT RECORD COS I PAY ON TIME AND MORE THAN THE MINIMUM REQUIRED