You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Moore.

ASSISTANT: How can I aid you at this moment ?

USER: Owing to an emergency, I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Sure, I will help you, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Not an issue.

ASSISTANT: Thank you for approaching us.