Hi, I am Carol Phillips.
user
Hello, how can I assist you for the day?
assistant
Owing to an emergency, my live concert got postponed. So I request you to change my existing reservation.
user
Sure, please wait for a while.
assistant
Sure.
user
Sorry, no reservation found with your name.
assistant
Ok, not an issue. Thank you for your assistance.
user
Thank you for availing us.
assistant