警惕以改签机票名义诈骗（建议）

Group 1 - The article highlights a personal experience of a travel-related scam involving flight ticket changes and identity theft, emphasizing the importance of verifying information through official channels [1] - It stresses the need for caution when receiving unexpected calls or messages regarding travel changes, advising individuals to confirm the legitimacy before taking any action [1] - The article calls for stronger measures from law enforcement to combat fraud and protect personal information, particularly for vulnerable populations like the elderly [1]