Hi.
user
Hello, how may I aid you?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, we are here to help you.
assistant
Thank  you.
user
May I know your good name please?
assistant
I am Ryan Walker.
user
Please wait for a while.
assistant
Ok.
user
Thanks for your time, there is no active reservation found in your name to change.
assistant
No issue.
user
Thank you for reaching us.
assistant
Thank you.
user