BAD SERVICE

I needed to do a sim swop and it has taken me two weeks, to do that ...ive sent emails and I was told to go to a Voda store shop and when I get the store they cant help me but I had my id book, with me...i need my number PLEASE I NEED MY NUMBER -The agent that helped me at first is the one that gave me the incorrect, time scale and i hate that no-one takes any responsibilty what has happend