First no stock and then late delivery

I made payment on the 1 December 2017 for a black leather jacket. I sent through proof of payment immediately. A week later they had not yet sent through the proof of payment to the finance department. It was sent after a call I made to the contact center. On the 12 December 2017 I called to find out whether they had shipped the order yet and then they told me that they had no black leather jacket and whether i would like the dark brown leather jacket instead. I agreed to the dark brown one and i was advised they would have it shipped and i would receive it on the 14 December 2017. I called today (14 December 2017) and asked for feedback to which the contact centre let me know that there is no tracking order and she cannot see that the jacket has yet been processed for shipping and that she would call me back with feedback - that was this morning - it is now 12h39 and i am yet to get a call. It has been 14 days. No service delivery. Pathetic service. Worst experience thus far with any big retailer. Never ever again!