How to write a dinner invitation letter to several leaders in the city?

Ha ha. . . The score is a little low. . . But no problem, I want to make a fool of myself here:

* * Invitation letter for opening ceremony and welcome dinner of sports events

Dear (Zhang San, Secretary General of the Municipal Government):

The men's basketball competition held by (a city sports bureau) will be held in our city (comprehensive gymnasium) on May 6, when (the national youth basketball team will compete with our city's young men's basketball team). In order to run this event well, show our city's good ability of organizing activities and the enthusiasm of citizens to actively participate in sports, and show a good image of a strong city through sports. There will be a meeting on May 5th. Thank you for your support of this event!

I am here to convey

Salute!

(Sports Bureau of a city)

April 20, 1965 438+02

PS: The contents in brackets are modified according to your actual situation. . .

For reference only, please give me more advice. . .