You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I was fallen ill due to which I would like to cancel my recent reservation. Can you help me?

ASSISTANT: Oh! that's sad, may I know your name for checking the status of your ticket?

USER: My name is Kimberly Edwards.

ASSISTANT: Kimberly Edwards, can you give me a moment to check?

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name. Are you sure you have booked reservation by our airlines?

USER: Yes, I am sure but my brother has made cancellation on behalf of me.

ASSISTANT: Do you need help with any other information, please let me know?

USER: No, thank you for the information.

ASSISTANT: Thank you for choosing our services. Have a great afternoon.