https://forums.serebii.net/threads/how-to-get-in-touch-with-sri-lankan-airlines-for-cancellations-and-booking-changes.782246/

https://support.google.com/edu/classroom/thread/337923166?hl=en&sjid=7025340637366444665-NA

https://www.upcomingevents.com/new-york-city/events/virtual-event/ways-to-call-sri-lankan-air-customer-service-by-phone-chat-and-email-full-comprehensive-guide-432215

https://support.google.com/edu/classroom/thread/337921044?hl=en&sjid=7025340637366444665-NA

https://support.google.com/edu/classroom/thread/337921770?hl=en&sjid=7025340637366444665-NA

https://forums.serebii.net/forums/serebii-net-discussion.9/post-thread

https://forums.serebii.net/threads/10-ways-to-connect-emirates-airlines-customer-service-by-phone-hassle-free-service-guide.782239/

https://support.google.com/calendar/thread/337920081?hl=en&sjid=2016246655044367952-NC

https://support.google.com/edu/classroom/thread/337919873?hl=en&sjid=2016246655044367952-NC

https://forums.serebii.net/threads/1-833-769-1476-ways-to-call-air-lingus-customer-support-by-phone-chat-a-smart-start-guide.782237/