Hello.
user
Hello. How may I assist you today?
assistant
I would like to change my existing reservation, can you help me in that?
user
Sure, may I know your name?
assistant
Myself Anthony Allen.
user
Please wait a moment I will check the reservation.
assistant
Sure, I will wait for your response.
user
Sorry, there is no reservation on your name.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you.
assistant