For making familiar with Alitalia use the policies of the airline and get connected with the airline. Alitalia Flight Change Policy offers you the facility of making changes in the planned flight bookings. Before going for the change process, you must go through the terms and conditions of the airline it will be beneficial for you. You can make a change request on the same day of departure and the change request flight form always submit through the official portal. Those pessengers who have invalid tickets are not able to make changes. Thave has to contact the reservation team individually. You can communicate on this number +1-855-568-1951 about the changes and you have to pay service charges for getting things done. Those pessengers who want to change the departure date then they will have to pay the required charges along with the change fees.
https://airlinespolicy.com/flight-change-policy/alitalia-change-booking/