It turns out that you, as writer, become a kind of actor, thinking up the “business” needed to make a scene believable and interesting. It’s one thing to have characters talk to each other, but what are they doing while they talk? Are they gesturing? Making a face of some kind? Picking up an object that suggests something about them or the story? Tugging on their clothing? Doing something with their hair? Fidgeting in some specific way?
These actions work better than attribution. You can almost always replace, he said with something like: Jack subtly ran a hand over his belt buckle to make sure his fly was zipped.
So let’s play around with this. I will start the dialogue, and you can add a few more lines to keep the scene going. However, you have to add the “business” instead of attribution. Here we go….
Yvonne smirked with half-closed eyes. “Yeah, right.”
“No, really. That 2007 Taurus is in primo shape and ready to roll.” Jimbeau smiled to make his one dimple show and dangled a shiny key in front of her face.