Absolutely pathetic customer service from Debonairs

I placed my order via the Debonairs App at 6.13 pm today for the Westgate Mall branch in Mitchell's Plain. At the same time (6.13 pm) I received an SMS notifying me that they've received my order and the amount on the receipt was debited from my account. I couldn't track my order through the app as that service was down for some reason. I called the number on the app ***) at 7.20 pm (my first call) enquiring about my order that I placed over an hour ago. The agent that took my call then transferred my call to the Westgate Mall branch. The phone rang for a bit then the call ended after the automated voice said "The number you have dialed is not available". This happened to me 5 freaking times! Every time I called, the same thing happened even though I would let the agent know the call wouldn't go through, they would still transfer me which annoyed me even more! During my 5th call to the number mentioned above, I try to cancel my order and inquire about a refund. The agent I spoke to (Alicia) then says she is not at the branch and therefore cannot access my order. I then tell her that every attempt to transfer my call to the branch is unsuccessful, but she insists that that's the only way to resolve the issue and cancel my order. She then transfers my call yet again but as suspected, it doesn't go through. I then try to call her (Alicia) back, at this point the time is now 7.45 pm, the automated voice says they're closed but that I should hold while they transfer me to a manager. This DID NOT happen! Can you imagine how ****ed and hungry I am. I paid for a product that I have not received. At 8.08 pm the Debonairs deliveryman arrives at my address to deliver my order 2 hours later! And it was cold!