I faced the same issue when trying to book somezthiing in 2025 and stil lbeing in 2024, the A thinks that you are want to book in 2024.
You have to prompt it to understand that if you ask to book in a "previous" month or day then the one you currently are in, it should automatically understand it's in the future.
PS. KB's can make the prompt go back to understanding the wrong date... took me a while to understand it, but some KB's will make the AI confused A LOT!