Feedback/response timing

I am currently in debt review and trying to plan to settle all my accounts before December 2015 as I am going overseas. The bank however makes it almost impossible as it takes them more than 2 weeks to respond to any enquiry. IF it takes 2 WEEKS to just get a statement, by the time I am trying to make payments it is either still outstanding or my payment will be LATE - for which I will definitely get penalised. I furthermore send an enquiry with regard to interest exceeding the initial balance on date of default (which according to me is in contravention with the Credit Act) - something I would think will be taken more serious - but after my email to the department I didnt even receive confirmation of receipt. I will probably again have to wait 2 weeks for ANY kind of response and probably 2 months to get this storted out. This is the worst customer service in terms of turnaround time in enquiries I have ever experienced and hope that this will make the department better on their lack of customer service.