Hello, I am Gray King.
user
Hello, how can I support you?
assistant
I want to change my existing reservation due to the extension of my holidays. Can you help me out?
user
Sure, please wait for a moment.
assistant
Sure.
user
Thank you for waiting, we are sorry to say that, no reservation found with your name.
assistant
Ok. Thank you for your information.
user
Thank you, for connecting with us.
assistant