Hello.
user
Hello, how can I help you?
assistant
I am Stephanie Lewis. I have reserved flight ticket to New York to attend my friends party but it has been postponed, so help me to change my reservation.
user
Ok, please wait a minute.
assistant
Sure.
user
Thank you for your time. Unfortunately there is no reservation found by your name.
assistant
Ok, thanks for informing.
user
Thank you for picking us.
assistant