When you book a flight with Emirates, you can manage your booking via the "My Trips" section of the Emirates website. From here, you can view and change your flight details, add baggage or special services, and check in online. If you need to make any changes to your booking, please contact Emirates directly. You may be charged a fee for making changes to your booking, so please check the terms and conditions of your ticket before making any changes. If you need to cancel your flight, you can do so via the "My Trips" section of the Emirates website. Please note that cancellation fees may apply.