Hi, I am Debra Parker.
user
Hello, how may I assist you today?
assistant
Owing to an emergency, my meeting with client got postponed. So I request you to change my existing reservation.
user
Sure, I am here to help you. Sorry, there is no reservation found on your name.
assistant
Ok, no worries at all. Thank you for your assistance.
user
Thank you for reaching us.
assistant