You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at present?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, I am here to help you with cancellation.

USER: Thank you for considering my request. Myself Brian Smith.

ASSISTANT: Thanks for providing your name, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time, there was no reservation found on your name to cancel it.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for availing us.