Take a minute and define why you are doing the migration (purpose), what you expect to accomplish (objectives), and the limitations of the project (scope). It's a good idea to establish these parameters to keep the project focused. You certainly can update these sections of the action plan, but they need to be well defined.
British Airways charges $40 to cancel or change a flight. However, in the past, this fee is only removed from your actually booking cost. Example #1: You book a domestic US flight and pay $2.50 in taxes and fees. When you cancel the flight, British Airways will return the miles but keep the $2.50.
Fly Guy: How to dodge costly airline change fees. It now costs $200 to change or cancel a non-refundable airfare on the remaining legacy U.S. airlines (American, Delta, United, and US Airways), and a bit less on some other carriers. Changing or canceling an international airfare can cost much more. But there are ways of avoiding the fee.