Dear Sarah,
Thank you so much for the invitation to your birthday party next Saturday. It sounds like it is going to be a fantastic evening, and I was really looking forward to celebrating with you.
However, I am incredibly sorry to say that I will not be able to make it. My company has scheduled a mandatory, high-stakes project meeting that same evening, and as the lead coordinator, my presence is unfortunately non-negotiable. I tried to see if I could shift my responsibilities, but given the tight deadline for the client proposal, it just isn’t possible for me to step away.
I feel terrible about missing the fun, especially since it has been ages since we caught up properly. Could we perhaps grab a coffee or dinner the following weekend instead? I would love to hear all about your birthday celebrations and treat you to a drink to make up for my absence.
I hope you have a brilliant night surrounded by all our friends. Please send me plenty of photos!
Best wishes,
James