Suddenly they all disappear

We had trouble with a shipment to Brazil. The documents were not delivered at destination and shipped back to South Africa, even though recipient was in contact with TNT Brazil to get goods delivered. <br> <br> Lebogang Ramodike, who was helping me very well all the time, said she would make sure the documents were shipped to Brazil again. Suddenly 2 weeks ago she stopped answering my emails. When I call her, she's off sick.<br> <br> When I ask to escalate, \the management team are all out for training\". When I ask to speak to the responsible person \"there is no one you can speak to today\". When I insist, the woman hangs up. <br> <br> "