A UK-based travel agent, Euan Morton, LLC, would like your systems team to design a smartphone and tablet interface he can give away free to his clients for booking seats for airlines with which his firm has solid business ties, such as British Air, RyanAir, and Virgin Atlantic.

a. Show what the interface would look like on a smartphone display.

b. Make a list of gestures that you should include for users to activate the display to book an airline seat and write down what each gesture does.