You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

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

ASSISTANT: Sure, I am here to help you. Could you please provide your name to check your reservation status?

USER: My name is Michael White.

ASSISTANT: Wait a while please.

USER: Sure.

ASSISTANT: Michael White, there is no active reservation found under your name in our database.

USER: Thank you.

ASSISTANT: Thank you for contacting us.