You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please assist me to cancel my active reservation?

ASSISTANT: How may I guide you?

USER: Please cancel my active reservation.

ASSISTANT: Sure, I am here to help you. Can I know your name please?

USER: Joshua Nelson.

ASSISTANT: Ok, please wait a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you that, there is no active reservation found with your name on our database to cancel.

USER: Ok, no problem. Thank you so much.

ASSISTANT: You are welcome. Thank you for choosing us.