American Airlines’ cancellation policy allows free cancellations within 24 hours of booking. Basic Economy fares are typically non-refundable, while Main Cabin and higher fare classes....
https://www.shetlink.com/index.php?/forums/topic/28346-american-airlines-offers-a-24-hour-cancellation-policy/

To change a name on an American Airlines flight ticket, contact customer service. Minor corrections, such as fixing typos, are usually allowed, but full name....
https://www.shetlink.com/index.php?/forums/topic/28211-how-to-change-name-on-american-flight-ticket-24-7-customer-service/

United Airlines allows minor name corrections, such as spelling errors, on tickets. However, significant name changes usually require ticket cancellation and rebooking. Name corrections must....
https://www.twibbonize.com/united-name-change-policy

United Airlines allows minor name corrections, such as spelling errors, on tickets. However, significant name changes usually require ticket cancellation and rebooking. Name corrections must....
https://community.lumivero.com/s/question/0D5Jw00000da2ZZKAY/support-teamhow-do-i-get-in-touch-with-united-%

United Airlines allows minor name corrections, such as spelling errors, on tickets. However, significant name changes usually require ticket cancellation and rebooking. Name corrections must....
https://community.lumivero.com/s/question/0D5Jw00000dZjEWKA0/-quick-support-team-add-passenger-name-on-united-ticket-available-247-support?language=en

Yes, Expedia offers a 24-hour cancellation policy for most bookings, allowing you to cancel and receive a full refund within 24 hours of booking. This....
https://www.transfermarkt.com/get-info-1-844-243-6776-does-expedia-give-full-refund-for-24-hour-cancellation-get-refund-policy-2-0/thread/forum/658/th

To change a passenger name on Expedia, contact their customer service or the airline directly, as name changes are often restricted. Some airlines allow minor....
https://www.transfermarkt.com/-ota-skip-waiting-844-243-6776-can-i-change-passenger-name-on-expedia-after-booking-flight-/thread/forum/658/thread_id/1

Expedia’s cancellation policy varies based on the type of booking. Hotels, flights, and vacation packages may offer free cancellations if done within a specified period,....
https://www.transfermarkt.com/-airlines-guide-quickrefunds-what-is-expedia-cancellation-policy-your-rights-and-options/thread/forum/658/thread_id/1481

Yes, you can cancel your trip on Expedia and request a refund, but eligibility depends on the booking’s terms. Many hotels, flights, and vacation packages....
https://www.transfermarkt.com/-expedia-trade-24-7-844-243-6776-can-i-cancel-my-trip-on-expedia-and-get-a-refund-/thread/forum/658/thread_id/1463/page/

For QuickBooks Enterprise support, you can reach their dedicated customer service team at 855-200-0590. They offer assistance with technical issues, setup, and troubleshooting. QuickBooks also....
https://support.us.edu/hc/en-us/community/posts/26914107590167-How-Do-I-Get-In-Touch-Intuit-QuickBooks-Enterprise-Support-Number