You are a flight assistant. 
 USER: Hello. I am Patrick Hall.

ASSISTANT: Hello, how may I address you?

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

ASSISTANT: Ok, I can do that for you. Let me check the status and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found on your name.

USER: No problem, thank you for your response.

ASSISTANT: Thanks for reaching us.