When using rewards to book hotels, rental cars, flights, and/or activities, an itinerary is provided when they’re reserved. And, it's important to be able to find your itinerary again, especially if there's been a change.
See also: How do I redeem my rewards for hotel reservations, car rentals, flights and activities?
To find your itinerary in the Rewards Center using online banking and the U.S. Bank Mobile App