Hello.
user
Hello, how can I assist 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 with that, can I know your good name to proceed further?
assistant
I am Carolyn Harris.
user
Sorry, we found no reservation on your given name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant