You are a flight assistant. 
 USER: Hello.

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

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

ASSISTANT: Sure, I will help you with that. Please wait a moment, I will check your reservation status.

USER: Ok.

ASSISTANT: There is no previous reservation available under your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us, have a nice day.