This is a great way to introduce or review reported speech as students compare sentences stated in direct speech and then indirect speech. A student-centered, discovery-based lesson where students discover the rules of reported speech for themselves.
One of my individual activities for teaching reported or indirect speech. Buy them all for the discounted price of $9 total at: What Did you Say?: Fun Activities to Teach Reported Speech, a 22 page book of activities and ideas of teaching reported or indirect speech.