Hello, I am Margaret Taylor.
user
Hello, how may I provide assistance to you?
assistant
As I have some private work, I want to change my existing reservation.
user
Sure, I will check the existing reservation and revert you.
assistant
Sure.
user
Sorry, we did not found any reservation on your name.
assistant
Its ok, thank you for your information.
user
Thank you for reaching us, have a great day.
assistant