You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to my ill health, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: Please can you provide me your name to check the previous reservation details on your name.

USER: Sure, my name is James Lee.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Lee, there is no reservation on your name.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.