Bad service, still so unreal

I received a dm on X(Twitter) to congratulate me that I won a prize on 13 June 2024. They required some details and I sent it the same day. 18 June 2024, I reached out to confirm how I will be contacted whether via email etc. I was told to keep checking, my prize will be allocated within 13 working days (From date won). I haven't heard anything from them and then on 28 June 2024 decided to contact them via dm again and mentioned that I have not heard anything from them yet. I was told that they will follow up for me. Okay, no feedback... I made contact on 1 July 2024, I sent a message following up and also attached screenshots of previous messages. No response. I made contact on 2 July 2024 again, no response. On 3 July they responded with, "Hi Jill, just following up on this matter. Have you received your prize?" I rep**** stating that I haven't. NO RESPONSE. 5 July 2024 I sent a message and asked whether someone could contact me. NO RESPONSE. I then decided to send a message on a post of theirs to see whether they will respond to me. I sent the message the same day (5 July 2024) they responded with: "We do apologise for the delay in responding to you. We have received feedback from our allocation team. They have advised that there was a delay, but they prioritized your prize". ...NO WORD FROM THEM YET... 10 July 2024 I made contact and sent screenshots of previous contact. NO RESPONSE. 11 July I contacted them again and still no response up until today. What do I do in a case like this, when a company is not getting back to me when I am the one that won a prize from them? Why are they delaying it and providing such bad service. I am a Discovery customer and never expected this. It took me quite some time to eventually come to this platform with everything that's going on because i am a loyal customer. I am just out of ways to get hold of them to even give me what is due to me.