I can not get through on the land line!!!

Two weeks ago a women by the name of Margo helped me, she was very helpful and polite, now I have a problem I have to get back in contact with her but every time I contact the call center I hold for more than an hour and they always say I can't talk to Margo cause she is busy on the line! I am a pensioner and can't keep phoning as I can only phone from a cell phone and it costs me a long of money phoning!! MARGO PLEASE COME BACK TO ME!!!!! <br> <br> I did talk to Thato today and he was unless. <br> <br> PLEASE HELP!!!!