Hi.
user
Hello. How may I assist you?
assistant
I am Elizabeth Walker. I would like to change my existing flight ticket that has been booked earlier this week.
user
Sure. Please wait for a moment. While I am checking for the flight reservation status.
assistant
Sure, please take your time.
user
Thanks for waiting patiently. But I regret to inform you that there is no flight reservation on your name to change it.
assistant
Ok, no problem. Thank you for the information.
user
Thank you.
assistant