You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I'll help you in cancellation. Please let me know your name to check the reservation status.

USER: Myself Raymond Brown.

ASSISTANT: Thank you for giving your name, give me some time.

USER: Ok.

ASSISTANT: Thank you for waiting, I have checked the reservation list to cancel your ticket but there is no reservation found by this name.

USER: Not an issue.

ASSISTANT: Thank you for availing us.

USER: Thank you.