WRONG NUMBER - Call Center Relentless

In the past 2 days I have had 6 calls from agents at African Bank.<br> <br> Despite telling them several times that the lady they are looking for ino longer has the number they are calling and that I am NOT her they carry on!!<br> <br> I have said every time to delete my number off their system to which they insist on speaking to the lady they are looking for!<br> <br> I had an argument today with a very rude consultant who told me \well how about you go get her