Hi. I am Charles Thompson.
user
Hello, how may I assist you for today?
assistant
Can you help me in changing my recent reservation, as my interview is rescheduled?
user
I am glad to help you about your flight ticket modification.
assistant
Ok.
user
I regret to say this Charles, I am not able to find active reservations under your name to change.
assistant
That's ok, thank you for checking.
user
Most welcome, thank you for reaching out here.
assistant