Hi.
user
Hello. How can I aid you?
assistant
Please help me to change my recent reservation.
user
Sure, I can help you. Can I know your name?
assistant
Thank you. I am Carol Davis.
user
Give me a minute.
assistant
Ok.
user
 Sorry, we couldn't find a reservation on your name to change.
assistant
No problem, thanks for your information.
user
Thank you for reaching us.
assistant