With Emirates ticket cancellation policy, you may cancel your flight ticket free of charge if you cancel it within the 24 hour window. The 24 hour window is subject to certain term & conditions. The airline will charge you a flight cancellation fee, if you are unable to meet the free cancellation requirements. The flight cancellation fee varies, depending on your fare type & class type.
https://flightcancellationpoli....cy.com/emirates-tick