What you write is dialogue that sounds real but has all these bits taken away. Edited speech if you like. The end result is being able to read speech that flows smoothly, which moves the story on and helps with pacing. You want your readers to be gripped by all that your characters have to say so anything that might interrupt that should not be written into the story.
"Where is it then?", he strode around the room, opening all the cupboards and slamming the doors shut.
"Don't know what you're on about",' she replied.
"Don't lie to me".
Notice I have one action, one tag line but it is clear who must be speaking for the rest of the dialogue. The speech itself makes it clear who must be speaking. So let your dialogue "earn its keep". Every word of it must help advance the story.