If you are Li Hua, your American friend Mary plans to come to Yunnan for a holiday. Write back to her.

Dear Mary, I am glad that you can come to Yunnan for your holiday.

Yunnan is a good place. I suggest you come in April and May.

Xishuangbanna is the best tourist destination, where you can learn that this part of Dai culture is very distinctive.

You can experience the unique local life, the taste of food,

As for the mode of transportation, you can take a long-distance bus from Kunming

I wish you a happy holiday. Dear Mary, I'm glad you can come to Yunnan for your holiday.

Yunnan is a good place. I suggest you come in April and May.

Xishuangbanna is the best tourist destination, where you can learn about Dai culture, which is very distinctive.

You can also experience local life and taste unique food.

As for transportation, you can take a long-distance bus from Kunming.

Have a nice holiday.

Well, think about the format of the letter yourself.