GPT 4 Turbo (GPT4.5) ignores assistant prompts.
GPT 4 or GPT3.5 works with no problem.
Here is an example of GPT 4 and GPT 4.5 with assistant prompts.
GPT 4 :
https://platform.openai.com/playground/p/UPVZFsPFAWQyy7OED1lyRNtt?model=gpt-4&mode=chat
GPT 4.5 :
SOLVED:
@dignity_for_all Thank you for the solution. Yeah, your solution definitely made the model work way better, although it still behaves out of order occasionally. From your idea, I conducted some experiments to find what prompt best suits my situation. I will share my final prompt: Never start a conversation. Do not repeat what you said, and only continue from what you said.