Very bad service.

Hello Heinrich (MD) at Devmark properties. I must I am extremely disappointed and angry with my counter this week. From the start of my application I have said I need a groud floor flat as my mother is almost 80 years old and cannot climb the stairs. Heinrich himself had allocated a 2 bedroom ground floor flat for me at our lease workshop at the office. The appointments to view was canceled due to covid which of obviously understand. I have called this week and then was told that I don't have name clearance so they have to decide if I can move in and will call me and then guess what I don't get a call. I'm the one that has to call constantly. At 5min to 4 today then want to tell me. I can't move in tomorrow which is what the correspondence refers too. I was told the flat was allocated to me and I have till when I move in to pay the deposit and rent. Today when I call I am told the 2 bedroom flat allocated to me is now no longer available and there is no 2 bedroom flats available on ground floor anymore. Why were we allocated flats and told we have till before we move In the pay it when it's the allocated to someone else. I now have to be out here tomorrow and now have nowhere to store my stuff as I was told I can now only move in on Monday 2 November and now there is no ground floor flats available.There is a reason I have requested the flat I did. How is my almost 80 year old mother suppose to climb the stairs. I am really angry about this as I am left to make a plan at the last second for all of this mess. When I get told I'll get a call back I never do. I need to call after them. Emails don't always get rep**** too. It's really not fair to me to be told one thing and believe what I'm told on that and then i get told something different at a point when you can't do anything.