copyright typically allows changes to flights for a free, [+1️⃣-8️⃣8️⃣8️⃣-3️⃣4️⃣9️⃣-6️⃣4️⃣6️⃣7️⃣] (US) ???????? [+1-888-349-6467](UK), unless you have a flexible or fully refundable ticket. https://thetaxtalk.com/questions-2/question/faq-support-can-you-change-to-qatar-airways-for-free/