Call Centre agent slaming phone down in my ear!!

<br> <br> I have already sent a complaint to their Customer care department: [Email Removed] 11th of May 2015 and no answer!<br> <br> Good day<br> <br> I got a call from one of your call centre agents (male) around 10:21 Monday 11 May 2015 from your financial department, about a Woolworths credit card. <br> <br> At first he started the usual greeting, and ask me If I was interested. I said \no"I was not interested"