Hello.
user
Hello, how may I aid you?
assistant
I would like to change my existing reservation, please help me out.
user
Sure, I am blissful to help you out.
assistant
Thank you.
user
Please provide me your name to check previous reservation on your name in our database.
assistant
Sure, my name is Jonathan Hill.
user
Sorry Hill, there is no active reservation on your name in our database.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant