Hello. I am Katherine Adams.
user
Hello, how can I aid you today?
assistant
I want to change an existing reservation due to sudden change in my trip. Can you help me?
user
Sure, please wait a minute.
assistant
Ok.
user
Sorry, we did not find any reservation on your name to change.
assistant
No issue.
user
Thanks for approaching us, have a nice day.
assistant
Thank you.
user