Hello.
user
Hello. How can I help you?
assistant
I am Christopher Moore. I need to amend my reservation, can you help me out please?
user
Sure, I will help you to change your reservation.
assistant
Thank you.
user
Sorry, there is no reservation found on your name to change.
assistant
That's ok, no problem. Thank you for your information.
user
Welcome, have a nice day.
assistant