How would you prioritize solving the worst post booking experience for Google flights?

Focus on identifying the key pain points in the post-booking experience for users of Google Flights. Consider aspects such as communication, changes to itineraries, customer support, and any additional services that could enhance user satisfaction. Prioritize solutions based on factors like impact on user retention, potential revenue implications, and the feasibility of implementation. Be prepared to discuss how you would gather user feedback and data to inform your prioritization, as well as how you would measure the success of the changes you propose.