air ticket being cancelled by the airline

I have booked a return flight with the airline for departure 02/03/2015 return 10/03/2015.<br> When i went to the airport i was told my flight was for the 02/02/2015.<br> I was told the return trip has been cancelled as well.<br> I have contacted them to try and get the refund and i was told they can not refund me they can open an account to save the funds and whenever i need to fly i can access the funds.<br> But i am not planning to fly with kulula in future due to the inconvinience as i booked the flight and the car at the same time,the car voucher was dated right to pick up the car on the 2/03/2015.<br> All i need is my money back please!!!