Due to a prior commitment, he missed the opportunity to meet the author.
Usage Example in Conversation
A: Hello, I wanted to check if you could attend the meeting tomorrow at 10 AM?B: I'm afraid I won't be able to make it due to a prior commitment. Can we reschedule for another time?A: No problem at all. How about we meet on Thursday at the same time?B: That works for me. Thank you for understanding.
