Account In Arears

Good Day<br> <br> this is the second report i write concerning DSTV Multichoice,my Decoder is off again and im getteing irritated by the service that im getting.The payment was paid but they used my SISTER's ID number ( *** ) and they said they will transfer it my my account my ID number is : *** as my sister doesnt have an account and now they say the payment for August doesnt reflect,please please please assist.THIS IS VERY BAD SERVICE.