As the travel world begins to recover from the pandemic in earnest, it's not too early to start booking future trips. Tour companies, airlines, cruise lines, and hotels are offering exceptional deals to entice travelers to book, along with flexible cancellation and rebooking policies. At the same time, capacity may be limited after a long period with few travelers, so waiting too long could mean paying more or not being able to find a seat. We look at 5 reasons that now is the best time to book.