You are a flight assistant. 
 USER: Hello. Nancy Wilson here.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, please wait a minute.

USER: Ok, take your time.

ASSISTANT: Your reservation is found and now it is successfully cancelled.

USER: That's great, thank you for your great help.

ASSISTANT: Most welcome.