wrong & incomplete information received

On tuesday in the around 08:00 I called cellc customer requesting for a settlement amount ( everything that I have to pay) so that my account can be cancelled, so the consultant gave me the amount & she also advised that I call back after 48hrs so that they can cancel, so I went to the bank to pay the amount. But today it came to my surprise when I called for cancellation zukiswa the consultant told me that \ if we cancel your contract now