Hello.
user
Hello, how may I aid you?
assistant
I would like to change my existing reservation, which is done recently. Can you please help me out?
user
Sure, I will help me in that.
assistant
Thank you for considering my request.
user
Before proceeding may I know your name please?
assistant
Sure, myself Mary Adams.
user
Sorry, based on your name we haven't found any previous reservations.
assistant
Not an issue with this one, anyway thank you for the information.
user
Thanks for reaching us.
assistant