Hello.
user
Hello. How may I aid you?
assistant
I am Debra white. Can you please help me in changing my recent reservation?
user
Sure, I will help you with the change of flight reservation.
assistant
Ok, thank you.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
Ok, fine thank you for checking.
user
Thank you.
assistant