Info:

Air France Flight Change Policy

Air France's flight change policy allows passengers to make changes to their bookings, such as date or time changes, subject to the fare conditions of their ticket. Depending on the fare type and availability, changes may be possible with or without a fee. Passengers are advised to check the fare rules of their ticket for details on change fees and any applicable fare differences. Changes can typically be made online through the Air France website or by contacting their customer service. It's recommended to review the specific terms and conditions associated with the ticket before requesting any changes.

https://www.airlines-policy.com/blog/how-to-reschedule-air-france-ticket