Does not know how to work with clients , or work

I purchase a monthly ticket with from Park to Centurion on 30/11/2015, I got at work the news I will not need the ticket anymore. I called the Gautrian centre and spoke to a supervisor and ask for advise on how to cancel this ticket I have already start using it. The supervisor advised me go to station where I made the purchase and get the below info. Proof of Purchase , Statement as they don't do cash refunds. and ask for a refund form. I got the mini statement from the ATM , I already have the P.O.P and I approached the station where Busang Ngwato was on Duty , I ask him, I want to cancel the ticket for a refund, I will not use the rest of the rides , he told me its not possible I already access the ticket , I told him the call centre advise its possible he said they gave me wrong info,I ask for a supervisor , (Silvia) she advise I need the info mentioned above , I returned the next day and Busang was again on duty , I provide him the mini statement with the POP he said they need a bank stamp statement he cant help. (BECAUSE I WORK LATE BANKS IS CLOSED TO GET A STAMP. I cannot provide a stamp statement. I AM LOST KNW. PLEASE PLEASE ALL I WANT IS MY MONEY BACK HELP ME PLEASE