You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency, I request for this cancellation.

ASSISTANT: Sure, may I know your name?

USER: My name is Helen Scott.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found in your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.