To manage your IndiGo flight booking, you can visit Indigo website and access the ‘Manage Booking’ section. This allows you to customize your journey according to your travel needs. You can edit your flight booking, change contact details, check refund status, and use other services like ‘Plan B’, ‘Credit Shell’, and view your payment invoice. This feature provides flexibility and convenience for customizing your travel itinerary with IndiGo​​.