You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Martinez.

ASSISTANT: How can I help you today?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, I am gleeful to help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Please allow me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, I didn't find any reservation on your name in our database to cancel your reservation.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us, have a great day.