Took 2 payments of my bank!!!!!!!!

You were supposed to take payment 25 April so I arrange to move the date to 28th!this mornimg I saw that you took 2 payments of R1004.19!!!!!!!!!!! You better fix this very fast!!!!! Refund one payment to me!!! This is very unfair!!!! I'm trying to call you whatsapp you dm you email you!!! But I get no answer