How to turn off the phone before taking off and leave a message on WeChat Moments?

In this case, the circle of friends can say the following:

1. "I am going to take a plane and prepare to go on a business trip. I have to shut down my phone for two hours. If you need to contact me, please Please send me a text message!"

2. "I am going to start my plane journey and shut down my phone for about two hours. If there is anything important, please send me a text message as soon as possible. ! Sorry for the inconvenience! ”