Hello, Pamela Miller here.
user
Hello, how may I assist you?
assistant
My son is giving a presentation on international competition, but due to some sudden changes, I want to change my existing reservation.
user
Ok, please wait a moment.
assistant
Ok.\.
user
Sorry to tell you, there is no reservation found under your name.
assistant
No issues, thank you for informing quickly.
user
You are welcome. Thank you for reaching us. Have a nice day.
assistant