I ordered a chair which I was told would be delive...

I ordered a chair which I was told would be delivered this Friday 05-06..yesterday I received an email saying that it will now not be until around the 3rd july as out of stock ! ..I literally cannot wait that length of time as it's for health reasons...I have called continually and emailed but no answer or response as to how we can resolve this ..and now out of pocket to