You should say:
1.who this person is
2.how you know this person
3.where this person travels to
4.and explain why this person likes to travel by plane.
参考范文：
I think this person would be my father who is an engineer. Due to his work, he has got loads of clients to the big cities such as Shanghai, Hangzhou and Guangzhou, and even in other countries. And almost two-third of the time in a month, he is on business trip to meet clients, attend meetings and tackle some severe problems. That's why he has travelled a lot especially by air to different places.
I feel that as for a businessman, taking the airplane would save him much time and he is able to finish his work with high efficiency. Sometimes the price of a flight ticket can be negligible if he successfully make orders with clients. Also, the service on the plane is much better than that on the train. The flight attendance will offer various beverages and food, and the passengers can even ask for free blankets and back cushion. The passengers on the plane are not as many as that on the train, which makes the plane a cozy place for relaxation. My father always tells me that the quietness on the plane makes it possible for him to take a rest between the two cities. I think that's the main reason why he insists on taking planes for business trip.
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