Help me to correct my complaint letter

This is my first time to write complaint of letter and I know I need help so I be glad if someone point the incorrect ones:

Dear Madam:

I am writting to express my opinion of the staff of the bulding where I reside.

Two week ago, the staff of the building decided to change the old furniture to the new ones. So the movers they hired was not very nice and they left the new furniture along with the old one in same room which my roommates and I had very small space. I could not do my project for midterm because little space I had. The staff should to organize and plan a tactic for the tenants to be comfortable while the movers rid the old funiture first then settle the new one.

I must urge you to take imediate action to improve the assitance of the building and the behavior of the movers.

[Tdol]

I am writting to express my opinion- writing to complain about the staff
So the movers they hired was not very nice- were .. not very good
with the old one- delete 'one'
same room which my roommates- where
because little space I had- because I had so little room/space
should to organize- should organize
movers rid the old funiture first- movers get rid of the old furniture first
then settle the new one- add the new
imediate - immediate
assitance of the building- buildig staff