You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please aid me to cancel my existing reservation? Because I have some other important work, so I have cancelled the trip.

ASSISTANT: Sure, I will help you with your concern. May I know your name please?

USER: Thank you for considering my request. My name is Nicole Taylor.

ASSISTANT: Please hold on a moment.

USER: Ok, I will be on hold for your response. Take your time.

ASSISTANT: Nicole Taylor, no reservation has been found on your name in our database.

USER: It's ok, not a problem with that. Thank you for spending your valuable time.

ASSISTANT: Thank you for choosing us.