No service from Premier bankers

I wanted to close my share builder account. 3rd March I sent a message via on-line banking to the \Premier bankers\" to do such. I receive a confirmation email the same day that my request is being processed ref: CAS-550427-X4G3Q2. On 7th March received another email from Nonkulukeko Xaketwane - Premier banker, I will be contacted in the next 2 business days. today is the 16th March, and nothing has happened. Account still open, and no contact.<br> What is the purpose of the Premier bankers?"