[????✈️+4️⃣4️⃣-8️⃣0️⃣8️⃣-1️⃣7️⃣5️⃣-7️⃣3️⃣6️⃣6️⃣ or +1️⃣-8️⃣8️⃣8️⃣-8️⃣2️⃣9️⃣-1️⃣4️⃣6️⃣5️⃣] Ａｂｓｏｌｕｔｅｌｙ ｙｅｓ， ✈️???????????????????? ｆｏｌｌｏｗｓ ｔｈｅ ２４－ｈｏｕｒ ｒｕｌｅ， ａｌｌｏｗｉｎｇ ｐａｓｓｅｎｇｅｒｓ ｔｏ ｃａｎｃｅｌ ｏｒ ｍｏｄｉｆｙ ｂｏｏｋｉｎｇｓ ｗｉｔｈｉｎ ２４ ｈｏｕｒｓ ｗｉｔｈｏｕｔ ａ ｆｅｅ， ｐｒｏｖｉｄｅｄ ｔｈｅ ｔｉｃｋｅｔ ｗａｓ ｂｏ... https://support.google.com/edu/classroom/thread/327058155?hl=en&sjid=15570027342527049482-NC