Dear Joan.
I am writing to you regarding the celebration of my 
parents
 40th Check wording
parents'
anniversay
 next month. 
It is an extremely special Correct your spelling
anniversary
ocation
 for the whole family, since my brother Correct your spelling
occasion
that
 lives overseas and many other relatives around the nation are coming to the party. Correct pronoun usage
who
Additionally
, Linking Words
this
 is an once in a blue moon event, I mean, you do not celebrate 40 years of marriage every year. Linking Words
Thus
, I want everybody to have a memorable event.
Linking Words
Therefore
, I would appreciate Linking Words
if
 you could give me Correct pronoun usage
it if
you
 professional advice. Correct pronoun usage
your
Moreover
, I know my mother and father would be enchanted if you were the one in charge of the Linking Words
organization
 of Use the right word
organisation
such
 Linking Words
important
 event. Correct article usage
an important
This
 is becauseLinking Words
,
 they loved what you did when I got married four years ago.
I Punctuation problem
apply
supose
 that you have many things to do Correct your spelling
suppose
in 
these Change preposition
apply
days
 so please let me know when Punctuation problem
days,
can I
 go to your office or Correct word order
I can
where ever
 you can receive me to talk about Use the right word
wherever
this
 magnificent Linking Words
ocation
. I am available Correct your spelling
occasion
for 
next Change preposition
apply
monday
 between 17:00 and 20:00.
Looking forward to Fix capitalization
Monday
see
 you soon.
Best wishes.
Tomás AlcaideWrong verb form
seeing