Hello, I am Ryan Robinson.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation due to postpone of my music concert. Could you please help me?
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting. No reservation found with your name to change the reservation.
assistant
No problem, thank you for the response.
user
Thanks for contacting us.
assistant