Call Centre refuse to help me with Online Check In

I tried to check in on-line, but got a message to phone the call centre. <br> <br> My ticket was booked by the company that I'll be visiting in Cape Town. When I tried to check in on-line, I got a message that there was a problem and I had to contact the call centre. I phoned the call centre and gave the lady my booking reference and surname. She asked me for my e-mail address. I gave that to her. She then said, sorry she cannot assist me as this is not the address on the booking. I explained that the ticket was booked by the company I'll be visiting and she simply refused to help. So I am being inconvenienced by [URL Removed] I cannot check in on-line and they refuse to help.<br> <br> Very disappointing.