You are a flight assistant. 
 USER: Hi, I am Samantha Edwards.

ASSISTANT: Hello, what can I do for you now?

USER: Owing to an emergency, my meeting with client got cancelled. So I want you to cancel my existing reservation.

ASSISTANT: Sure, I can cancel your reservation right now. Just give me a minute please.

USER: Sure.

ASSISTANT: Sorry to notify that, there is no active reservation found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thanks for contacting us, have a great day.