You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: I want to cancel my recent reservation due to sudden postpone of my exams. Can you help me in doing that?

ASSISTANT: Sure, may I know your name please?

USER: Joseph Williams here.

ASSISTANT: Please hold on a moment, I will get back to you with the status of your reservation.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name in the database.

USER: ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.