You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I give assistance to you?

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

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: To proceed further, Let me know your name.

USER: Anthony Scott here.

ASSISTANT: Thanks for providing your name, please standby.

USER: Sure.

ASSISTANT: We are sorry to inform you that, there was no reservation found on your name to cancel it.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for approaching our service.