You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you cancel my flight ticket reservation? As I have postponed my business trip to New York.

ASSISTANT: Sure, We are here to help you.

USER: Ok.

ASSISTANT: May I know your name?

USER: I am Amy Thomas.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT:  Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel it.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for reaching us.