You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you at this moment?

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

ASSISTANT: Sure, I am here to help you. Can I have your good name please?

USER: My name is Christopher Allen.

ASSISTANT: Ok, please wait for few minutes, let me check with your existing reservation status.

USER: Sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Thank you.

ASSISTANT: Thank you for reaching us.