Why not write a sentence using "said" with reported speech.
Then, tells us what makes "said" in that sentence a transitive verb;
or, are you able to add to the sentence to make it transitive?
Just have a go at that yourself, and post it here. You may surprise yourself by coming up with the answer all on your own!
After you have tried, I'm sure one of the senior members will discuss your question with you.
Student or Learner