Hello.
user
Hello, how may I assist you today?
assistant
I want to change my existing reservation, due to some personal issue. Can you help me?
user
Sure, may I know your name?
assistant
Ok, I am Katherine White.
user
Ok, please wait.
assistant
Sure.
user
Thanks for waiting, there is no reservation found on your name.
assistant
Ok, not an problem. Thank you for your information.
user
Thank you for reaching us.
assistant