I went to old mutual on the first to request them to lower my debit order because I am now struggling to pay the required a salary advice,a letter and a copy of my ID

I went to old mutual on the first to request them to lower my debit order because I am now struggling to pay the required a salary advice,a letter and a copy of my ID.i went again on saterday then I was told i will receive a call and to my surprise no one has bothered to call