Hello.
user
Hello, how can I help you?
assistant
I would like to change my flight reservation as my trip got postponed, can you please help me?
user
Sure, I am happy to help you. May I know your good name?
assistant
Brian Taylor here.
user
Sorry, there is no active reservation on your name in our records.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant