1. MSF looks for upcoming flights, which are added to the My Flights tab.
2. MSF compares your seating preferences to available seats and will book a new seat if an improvement can be made.
3. An email notification of your seat upgrade is sent.
4. MSF will continue searching for a better seat until you reach your top preference, you check-in, or you turn it off.
5. You may turn off the Intelligent Seat Selector? any time you wish to stop looking.