Dear X,
How are you doing?I write in regret to inform you that I can't attend your son's birthday party due to an unexpected time conflict.I'm sure it'll still be great without me.
Regards,
XX
Dear X,
How are you doing?I write in regret to inform you that I can't attend your son's birthday party due to an unexpected time conflict.I'm sure it'll still be great without me.
Regards,
XX