Hello.
user
Hello. How may I assist you now?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, I am oblige to help you with that. Can I know your name to check your previous reservation?
assistant
Myself Timothy Hall.
user
Please be on hold.
assistant
Ok.
user
We regret to inform you that, there is no reservation found on your name in our reservation list.
assistant
Not an issue. Thank you.
user
Thank you for approaching us, hope you have a great day.
assistant