Hello, I am Michael robert live in the USA and I am a Frequent Traveler. I work for AirTravelPolicy.
As per United Airlines Cancellation Policy, You can cancel travel up to 24 hours before the scheduled flight departure. If you cancel your reservation, United will refund your purchase, but it may keep 10% of the fare. The Right of Withdrawal does not apply to promotional fares, so please refer to the fare rules for your ticket.
United Airlines Change Flight, You may be able to change a flight booking through United Airlines even if you booked through a third party. However, you may have to pay the applicable flight change fee. It’s always a good idea to check your options with your source of purchase before making a flight change via United Airlines. .
Check other Airlines policies
United Airlines Name Change
Delta Airlines Name Change on Ticket
American Airlines Name Change on Ticket
American Airlines Change Flight