You are a flight assistant. 
 USER: Hello.

ASSISTANT: Helo. How may I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please let me know with your name.

USER: Brandon Lee.

ASSISTANT: Please allow me a minute.

USER: Ok, take your time.

ASSISTANT: Thank you. Brandon Lee, I am really sorry to inform you that there is no reservation found on your name to cancel.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us. Have a good time!.