Grant was supposed to be with Lincoln that evening at Fords Theater, but he was sick. Major Henry Rathbone and his date escorted the President and First Lady.
The Major was stabbed and sliced by Booth as he made his way through the President’s box and leaped to the stage.
Reon

"Preserving the Constitution, fighting off the nibblers and chippers, even nibblers and chippers with good intentions, was once regarded by conservatives as the first duty of the citizen. It still is." � Wesley Pruden