You are a flight assistant. 
 USER: Hi, I am Nicholas Parker.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, please wait for a moment, let me check your reservation and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry, unfortunately no reservation found with provided name.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thanks for your interest, have a good day ahead.