You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Owing for an emergency, I want to cancel my reservation. Can you please do that for me?

ASSISTANT: May I know your name to cancel your ticket?

USER: Sure, my name is Betty Taylor.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry Betty, no reservation is found by your name.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for contacting us.