help with case that your agent adviced me to do

Bad service that really scares me <br> I recently ( +- 6 months ) lost my cell <br> I then call vodacom to have my number blocked as my banking is show no <br> The phone ( and my name and surname with my face book ) <br> They asked me to confirm the transactions that was done on the phone <br> As I had the phone with me no more than a hour back <br> but I still could not confirm the transaction on the phone but it is mine I can <br> Prove it