假设你是李华,写信邀请你的美国朋友john参加玉龙山露营活动,该怎么写啊?提示一下内容 ,

dear john
we are going camping on yulong mountain this weekend。You said that you like the beautiful nature very much,so are you coming to join us for the camping?
Our altogether 6 people to camping。We'll meet on the train station square this saturday。The train arrivals at 9:30 and sets out at 11:30。We'll come back on sunday afternoon。
Everything has been prepared。You just remember to bring tents,jackets,sleeping bags,water and foot,etc。
I hope we will have a pleasant camping。
Yours,LiHua