Bad service

This morning I went to an fnb branch in maponya mall Soweto to print out a bank statement.After I printed the statement I realised that the statement was not verified,I asked a lady by the name blessed buti to put a bank stamp on my statement.She was so rude to me and said why did I print out a statement that is not verified.she refused to stamp the statement and said I must print another statement that is verified.i told her I always print out and ask for a stamp and they do it for me.she said I must ask any of the staff members and see if they will stamp it for me.the 1st staff member I bumped into stamped the statement for me without any questions asked.The lady who helped me got the stamp just next to her because its a stamp they keep on the floor for statements.That blessed buti woman is making a fool of clients at maponya mall branch and I'm taking this up to fnb headoffice and the ombudsmen.