Hello.
user
Hello, how can I aid you?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, I am here to help you. May I know your good name?
assistant
Rebecca King here.
user
There is no reservation found under your name to change.
assistant
That's ok, thank you for checking.
user
Thank you for opting us.
assistant