Tripit is a great travel app for organizing all your reservations automatically from confirmation emails. Will sync with all your devices.
From the website…
The All-in-One Travel Organizer
TripIt organizes travel plans into an itinerary that has all of your trip details in one place.
Simply forward confirmation emails to email@example.com and TripIt will automatically build an itinerary for your trip that you can access anytime, either online or from a mobile device.