"My experience in your hospital"

I diagnosed for obstructive sleep apnoea in the beginning of 2010 it took more than three years to get the result by my GP’s request when I visit him for another case, I have been left to live with my breathing difficulty and with so many related problems with out any treatment even after there was so many inconvenience but they apologized for that. furthermore on 27/07/2014 I received a letter from the Hospital which says that an arrangements have been made for me to be admitted, I got confused when get latter because on my previous visit I have been told that is the last treatment they can do unless any invention can be achieved and I tried to call to find out what is going on but It was hard to get through, then I decided to attend the appointment which is today 06/08/ 2014 at 10:30 arrived half an hour early but the receptionist told me that has been cancelled because of the nurse that I need to see she is sick, I explain that I came here to have operation then the staff apologized for mistaken latter I do not know how many times I accept apology the I came back to the main reception to use the complain channel and I spoken to the manager over the phone and she said she is going to call me back but she didn't I was having stressful time since I received the letter on top of that more than £100 unnecessary expense and I took unpaid day off my work