You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to cancel my reservation due to sudden health issues, can you please help me out with that?

ASSISTANT: Sure, I am here to help you with your concern.

USER: Thank you for accepting my request.

ASSISTANT: Can I have your name please?

USER: Sure, my name is Jerry Roberts.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: Jerry Roberts, no reservation has been found on your name in our records.

USER: Oh! I think it was cancelled by my brother. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.