You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brian Phillips here.

ASSISTANT: How may I assist you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your good name to process your request?

USER: Already mentioned above.

ASSISTANT: Sorry for inconvenience there is no active reservation found in our database.

USER: Not a problem, thank you.

ASSISTANT: Thank you for choosing us.