Hi.
user
Hello, how can I aid you?
assistant
Please change my existing reservation.
user
Sure, may I know your name to check your details in our database?
assistant
Sure, I am Michael Baker.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry to inform you that there is no active reservation on the name Michael Baker.
assistant
Ok, thanks for the information.
user
Thank you for reaching us.
assistant
Thank you.
user