A lot of customers, really?

This afternoon I went to the Vodacomshop to ask when my 3G contract expires. The lady that was helping me was clearly tired from the night before because she was leaning on her one arm the whole time she was busy helping me.(not mentioning she did not get up from her seat at all, closing her eyes several times for long periods while she was attending to me - in the 5min I was in the shop) When she checked my account she said my 3G was up for an upgrade by the end of Jan already and my cellphone last year December! When I asked her why they did not contact me or just send me an sms her reply was, \Well