请帮我看一下这封给HOMESTAY家庭的信这样写可不可以

请帮我看一下这封给HOMESTAY家庭的信这样写可不可以
请帮我看看存在什么问题,语法,还有内容用词有没有什么不恰当的地方.那句话也请顺便帮我翻译一下吧,
Dear.Sir or Madam:
I am the student whom you will receive.I am honored to become a member of your family.This is my first visit to the United States ,I feel a little nervous,but I am excited as well.To come to the United States the object is to exercise my oral English,also want to enjoy the beautiful scenery of America.
I have a happiness family.My parents were run a restaurant and my mother is a excellent cook.My brother is a high school student he is very clever.On the weekend we often go outing.When I was a child,my parents too busy to take care of my brother and I.I had to do anything by myself.So,I think I am a independent person.
I have broad interests,such as reading,travelling,listening to music.I also like being alone and studying dietary.And I am fond of growing flowers and grass.When I was young,I dreamed of being a gardener.I like travelling very much,if we can go to travel together I wil feel very very happy.I am a gentle girl almost never get angry.So I think I won't give you so much trouble.（加上这句,请帮忙翻译一下“为了能更好的融入这个家庭,我也会尽自己的努力去为家里做点什么”）
Finally,I sincerely thank you for your hospitality and I also hope we can build a friendship,make the family like a real family.
Heartfelt thanks.
Fanny

Dear Sir or Madam,
I am Fanny,a student whom your family going to receive.It is my honor to stay with your family.This is my first visit to America,I feel nervous,but excited as well.The objective I be here is to practice my English oral and enjoy the outstanding view of America.
I have a happy family.My parents are running a restaurant and my mother is an excellent cooker/ chef.My brother is a high school student and he is very clever.In the weekend,we often go out.When I was a child,my parents were too busy to take care of me and my brother.Hence,I had to do anything by myself.So,I think I am an independent person.
I have a lot of interests,such as reading,traveling,listening to music.I also like being alone and study dietary.And I am fond of growing flowers and plants.When I was young,I dreamed about being a gardener.I like traveling very much too,if we can go traveling together,I will be very,very happy.I am a gentle girl,and seldom get mad.So I think I won't give you much trouble.I will try my best to do something for my new family to become part of this family.
Finally,I sincerely thank you for your hospitality and I also hope we can build a strong friendship.
Best Regards,
Fanny.
PS：的确有些错误,有些句子个人觉得不通顺,所以删了.希望楼主别在意.
PSS：恭喜楼主得到此机会,加油!Try your best!