I haven't quite decided if I'm taking the Crescent to NO/Houston or the Lakeshore/Texas Eagle to Chicago/Houston but I have a few more questions. How early do I have to book to make sure I get a roommette or bedroom? My trip is next May. What is the refund policy and is Amtrak efficient at getting a refund to you? I know the policy is on their website but it's confusing and hearing from someone who has been-there-done-that is often more reiable.