Hello.
user
Hello, how may I aid you at present?
assistant
I would like to change my existing reservation, can you help me in that?
user
Sure, I am here to help you to change it.
assistant
Thank you.
user
May I know your good name please?
assistant
Sure, myself Frank Young.
user
Ok, please wait for a while.
assistant
Sure, I will wait for your response.
user
Sorry to inform you that, there was no reservation found on your name to change it.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you for reaching us.
assistant