Hello.
user
Hello, how may I help you today?
assistant
 I would like to cancel my flight reservation as my trip got postponed, can you please help me?
user
Sure, may I know your good name please?
assistant
Patricia Wright here.
user
Please wait a minute.
assistant
Sure, take your own time.
user
Sorry to say that, there is no active reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant