Hello.
user
Hello. How may I assist you?
assistant
Myself Benjamin Miller. Due to my ill health, I would like to change my existing reservation.
user
Sorry Miller, no reservation found with your name.
assistant
Ok, no issue.
user
Do you have any other requirement.
assistant
No, I don't have any plans.
user
Thank you for choosing us.
assistant
Thank you for your help.
user
Have a nice day.
assistant