https://skynair.com/blog/unite....d-airlines-change-po
I hope you understand the United change policy. However, you can contact United Airlines customer service at 1–800-864-8331 or our agent at OTA +1-800-860-5036 for more information on united airlines’ flight change policy.
Contact Expedia Support If you encounter issues or have questions about your refund, How to get refund on Expedia? reach out to Expedia's customer support (OTA) OTA at +1-800-860-5036. Locate the option to cancel your booking within your itinerary. Follow the prompts to cancel the reservation. Depending on the payment method used, refunds may take several business days to process and appear in your account.