帮我改改英文作文吧谢谢!

帮我改改英文作文吧谢谢!
Hello my headteacher.I’ m Johnny.I have some suggestions about our school.One of them is our library when a lot persons in the library the wifi often doesn't work and other one is our hostels some hostels without balcony.Finally is our basketball courts I think is not enough.Thank you for your time.I am looking forward to your reply

Dear Principal,
My name is Johnny.I have some complaints about the school.The first one is about the library.The wifi in the library often becomes inaccessible,especially when there are many users try to connect it.The second issue is some rooms of the dormitory don't have balconies.Finally,school's basketball courts,in my opinion,are not enough.Thank you for your time.I am looking forward to your reply.
King Regards,
xx