Bad, bad service

So I booked online and the payment went off my account. Got to the check in and was told my ticket was cancelled without any reason. Received no email to inform me of this. Went to the counter and was told it was a system error. How convenient!! The less than friendly lady told me that if I want the same flight, it will cost me more. No apology, nothing. Paid for an earlier flight which was boarding at the time. I just made it and had to sit in a middle seat!!!! I was told that my money I paid first will revert back into my account in a few days. Now, the best of all, in my rush I did not check my boarding pass, get to the gate, she gave me the wrong boarding pass, someone flighing to PE. I was going to Cape Town. Went back, once again, no"I am sorry" or anything. Terrible service!!!!!!