I traveled between two capital cities of most populated countries in the world. Also it was my first trip abroad also first ever journey in flight.

这是我初次出国，也是初次搭乘飞机，竟然就得以旅行于世界上人口最多的两个国家的首都，真是一个梦幻般的开始。

youdao

My first flight was in 1981, it was here at CAFUC (I was learning to fly at that time).

我的首次飞行是在1981年，当时我还在学习飞行。

youdao

How excited I was on my first flight.

我的首次乘机旅行多令人激动啊！

youdao

They can look to Jennifer Grieves, who made history by becoming the first woman Marine One aircraft commander, and by commanding the first-ever flight with an all-female crew -- I remember this -- proudly carrying my husband from the White House to Andrews Air Force Base back in July.

WHITEHOUSE: The First Lady Celebrates Women in the Military