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   _____    _____     ______     ___      ______  
  / ___//  |  ___||  /_____//   / _ \\   /_____// 
  \___ \\  | ||__    `____ `   / //\ \\  `____ `  
  /    //  | ||__    /___//   |  ___  || /___//   
 /____//   |_____||  `__ `    |_||  |_|| `__ `    
`-----`    `-----`   /_//     `-`   `-`  /_//     
                     `-`                 `-`

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發送短信 : Overbooking in airline revenue management