Poor customer service

I am app**** for a credit card online. I was then contacted by one of their agents as I did not complete my application online and thus completed it via telephone. I have been calling for two weeks trying to find out what the status of my application is. At one stage one agent told me the matter had been escalated and I would be contacted in 24 hours. It has been more than 4 days now. This is horrible service as I do not know what is happen win and no one even bothers to get back to you with regards to the matters it's utterly frustrating.