This is definitely not creative, but I take all my reservations and put them in Excel and shrink them down quite small. In the lefthand column I do the date on the first line. Then I go down a line and put the time. In the next column is the park, and in the next column is the restaurant. I drop down a line and put the reservation # right under the restaurant. I put departure times for flights and hotel reservation numbers also. I make it small enough so that when I print it, it's the size of a business card. When it is printed, I have to fold it in half, and it's got information on both sides. I print it on card stock, and then if I can get it laminated, I do. Otherwise, I use packing tape to cover it. I always make enough for each adult in our family.