Hi.
user
Hello, how may I aid you?
assistant
I want to change my reservation, can you please help me with this?
user
Sure, I am here to help you.
assistant
Thank you.
user
Can I know your name please to proceed further?
assistant
Edward Robinson here.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
That's ok, thank you for checking.
user
Thanks for reaching us.
assistant