How do you politely end a conversation with a person?

Now that we're more out and about, my social skills are in the gutter after two years of being inside, and I find it really hard to exit conversations I don't want to be in.

I feel like I used to be smooth at this, but not anymore!!

Do you have any go-to moves for politely ending a conversation with someone annoying, or just someone you don't want to be talking to anymore?

Help a sister out 🙏🏻🙏🏻🙏🏻