Dorothy said nothing. Oz had not kept the promise he made her, but he had done his best. So she forgave him. As he said, he was a good man, even if he was a bad Wizard.
L. Frank Baum (2008). “7 Books in 1: L. Frank Baum's "Oz" Series, Volume 1 of 2. the Wonderful Wizard of Oz, the Marvelous Land of Oz, Ozma of Oz, Dorothy”, p.89, Shoes & Ships & Sealing Wax