You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your help?

USER: Can you please me in cancelling my recent reservation?

ASSISTANT: Sure, we are here to help you. Can I know your name to check the reservation list?

USER: Paul Adams here.

ASSISTANT: Thank you for giving your name, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no active reservation have been found under your name in our database to cancel it.

USER: Not a problem, thank you.

ASSISTANT: Thank you for approaching us.