Bad Service. No delivery

I placed an order on 7 May 2021,whichbwas to be delivered on 12 May 2021. There was no delivery until I decided to call on 18 May 2021. I was advised by the agent that answered my order had not been processed and would be delivered on 19 May 2021.I called again on 19 May and was advised my order would be delivered on 24 May 2021. Today is 25 May. No delivery, no call to update me on the status of my order. I am very disappointed.