You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: I would like to cancel my reservation, as my business meeting has been cancelled. Can you please help me with that?

ASSISTANT: Oh! That's sad to hear, may I know your name to check with your previous reservation please?

USER: Sure, my name is Jacob White.

ASSISTANT: Thank you for your patience. I am very sad to inform you but there is no reservation found by your name James Martin.

USER: Ok, no issues. My brother might have cancelled my reservation. Anyways, thank you for checking.

ASSISTANT: Ok, thank you for reaching our assistance.

USER: You are welcome.

ASSISTANT: Have a great day.