You have been invited to a friend's birthday celebration, but you will not be able to attend because you will be on a business trip. Write a letter to your friend. In your letter: thank your friend for the invitation, explain why you cannot attend, suggest a time to meet after your trip.

Dear Sarah, I hope you are doing good. I haven’t seen you in a while. I am writing this letter to express my dissapointment about not being able to attend your birthday celebration this year. I am grateful and appreciate the invitation to your birthday dinner. I was delighted to see that you chose our […]