Poor poor service

An agent from FNB called me over three months ago offering me a cheque account, which I accepted after that she told me that if i deposit an amount of R500 or more on my new account within 30 days i will qualify for ebucks of 5000, I did deposit the money within the stipulated period and I never received the ebucks as promised I then called the Call Center and informed them about this and I was told the Agent who was helping me forgot to link my account with my ebucks account, after talking to a \supervisor"or \""team leader\"""