Cancellation done BUT no REFUND

VAN Networks query<br> An agent contacted me between the 15 - 20 July 2015, selling a Router/Wifi device to me for a certain amount monthly, which I accepted.<br> Money was deducted from my bank account on the 24 August 2015, BUT I didn't receive any device until now<br> I contacted VAN Networks on the 30 July 2015 and spoke to Nadia in connection with this problem. I told her to cancel it and I want to be refund back.<br> I made endless phone calls on the:-<br> 5 Aug 2015 - spoke to Vivienne<br> 14 Aug 2015 - Spoke to Nadia<br> 1 Sept 2015 - Spoke to an agent - Nadia was on lunch and the agent told me that it is still in process, Nadia will contact me this week for the Refund, until now no responses back from VAN Networks<br> I am very frustrated <br>