On behalf of … , I have the honor to invite you to …
It is with the great pleasure that I write to cordially invite you to …
It gives me the greatest pleasure to invite you to …
We should be very grateful if you could …
Will you and Mrs.Smith give the pleasure of dining with us at the Beijing Hotel on Sunday , October 10th , at eight o'clock ?
There will be a dinner party to be held at the Beijing Hotel on Sunday , October 10th , at eight o'clock . Will you and Mrs.Smith come and join us ?
I hope that you have no previous engagement and can join us for the English Evening at 7:00 p.m. on February 1st .
We are looking forward to seeing you .
I do hope that you will be able to come .
We should be very pleased if you could honor us with your company .