MTN AIRTIME RECHARGE

I AM AN ANGRY GATVOL WITH MTN...I HAVE RECHARGE FOR R50 AIRTIME THEN PAID MY XTIME CREDIT WAS LEFT WITH R8 AIRTIME..BY THE TIME I WENT TO BED LAST NIGHT THE AIRTIME WAS FINISHED DIDN'T EVEN MAKE A CALL A PHONE AND I HAVE EXPERIENCING SOME **** HAPPENING ON MY ACCOUNT WHEN IT COMES TO AIRTIME FOR THE PAST FEW WEEKS, IT'S SO QUIK TO GET FINISHED WITHOUT ME HAVING TO MAKE A CALL..AND I NEVER SUBSCRIBE TO ANYTHING.. THIS MORNING AM CALLING YOUR ****ES 135 CUSTOMER SERVICE NUMBER BUT THERE'S NO OPTION TO TRANSFER ME TO AN AVAILABLE AGENT INSTEAD GIVES ME SOME DAMN OPTIONS. I HAVE BEEN WITH MTN FOR 15YEARS MY NUMBER IS *** AND MY NAME IS *****DO...IF I GET A FEEDBACK AM GOING TO ESCALATE THIS MATTER!!!