https://intercom.help/air-customer/en/articles/10903181-can-you-modify-the-date-of-jetblue-airlines-vacation-package-traveler-need-to-know
https://intercom.help/air-customer/en/articles/10903181-can-you-modify-the-date-of-jetblue-airlines-vacation-package-traveler-need-to-know