Never use a verb other than "said" to carry dialogue... I once noticed Mary McCarthy ending a line of dialogue with "she asseverated" and had to stop reading and go to the dictionary.
Elmore LeonardI left advertising as fast as I could in 1961. And I haven't ever thought about going back.
Elmore LeonardIf it sounds like writing, I rewrite it. Or, if proper usage gets in the way, it may have to go. I can't allow what we learned in English composition to disrupt the sound and rhythm of the narrative.
Elmore Leonard