You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Angela White.

ASSISTANT: How may I help you?

USER: Owing to an emergency, I would like to cancel my reservation.

ASSISTANT: Ok, wait a moment.

USER: Ok.

ASSISTANT: No reservation found for your information.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for choosing us, have a nice day.