If you could design an ideal airliner, what features would it include?

A capsule hotel in Osaka, Japan.

A new survey of 1,000 travelers asked just that question and reveals the top 10 amenities for an ultimate aircraft. Skyscanner.com, a U.K.-based travel search website, polled its users asking what they would most like to see on their dream flight. And some of the results are currently available today, though reserved for those flying in business or first class.