Take a **** mxm

I am very unhappy with the service that I am receiving from you. I placed an order and the estimated delivery date was for the 21st of December. It is now changed to the 27th December. I ordered stuff for Christmas so what am I going to do with it then. I also called the call centre, still no answer since FRIDAY!!!!!!!! I am going to the media if this is not sorted by tomorrow!!!!!!!!!!