You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jeffrey Miller.

ASSISTANT: In which way I can aid you at this moment?

USER: I want to cancel my recent reservation as I am sick and can not go on the trip, can you please help?

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

USER: Sure.

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

USER: Not an issue, thank you anyway.

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