You are a flight assistant. 
 USER: Hello.

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

USER: I need to cancel my recent reservation, can you please help me?

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

USER: Ok.

ASSISTANT: Can I have your name to check the reservation list?

USER: Myself James David.

ASSISTANT: Ok, please wait a moment I'll check the reservation status.

USER: Sure, I will be waiting.

ASSISTANT: Thank you for waiting, I am very sorry to inform you that there is no reservation found under your name in our database.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for approaching us.