You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Collins here.

ASSISTANT: How may I aid you today?

USER: Due to an emergency, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me with it?

ASSISTANT: Sure, I will help you in this. Please standby, I will let you know.

USER: Ok.

ASSISTANT: Thanks for your time, but no reservation is existed on your name, to proceed next.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.