Poor and Pathetic Service

Today i done a upgrade and a sim swop. To my discovery I was allocated a pre existing contract number. How this was possible , i have no idea. I've been a customer for more that 14 years. I contacted the store and vodacom customer care three times and no one is able to assist. Instead i'm been told my sim activation is being affected due to the launch of the new iphone 11... How that has any bearing on a sim swop is beyond me. I now need to cancel a flight and go back to the store and get a new sim card, why this can't be done via customer service is beyond, which actually makes your customer service useless. I am departing for a 3 week trip at 8am on 28 September on my birthday , and i am being inconvenience... and with that being said, i'm being and will be billed fully for a service i don't have access too for 3 weeks( so in all honesty how is that fair ), i'm currently using data and airtime of a pre existing contract holder, So imagine the shock on their face when they get their monthly bill end of October . Firstly this is disgusting service. Secondly I need to change flight times an incur additional cost for a mess up vodacom made. I would like to cancel my contract with vodacom and port my contract somewhere else. No one in customer care could assist , because as i said , i need to go into a damn store to fix this, given the fact that we're living in digital world. With me cancelling my contract , i want no penalties to be brought against me for a 24 month contract upon the cancellation, if so , i will take the matter further. this is not the type of service you give long term customers who has been consistent with her payments. I am totally disgusted and i want the HEAD of customer service to contact me. If vodacom values their customers they would have this resolved. I will not refer anyone to vodacom.