When you modify your itinerary, you must update your flight. Loganair's flight change policy allows you to adjust your flight date based on your itinerary. If you modify your flights within 24 hours and your reservation is confirmed 7 or more days before departure, the airline will not charge you. As per the Loganair flight change | date & name correction, you may update your name on the logan air reservation ticket. https://flightcancellationpolicy.com/logan-air-flight-change