Help closing my own easy account

I wss at your fnb branches more than once trying to close this easy account because I'm not using it and fees are growing the frist time i did go the lady told me to just do it on app I left and it didn't work on the app so I did go to a different branch of your week's later I couldn't get assistance at that branch because they had a power failure then again I will do a different branch and the person at tbat branch said the manger is not there to help her now what must I do fnb this easy account is growing with fees and no one is able to help me close it the account ends in 2425 please close it as I can't waste so much money on uber to different branchs and not getting assistance