You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Sure, I will help you. May I know your name?

USER: My name is Shirley Lewis.

ASSISTANT: Sorry, there are no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.