You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jack Wilson. I would like to cancel my reservation as I am not feeling well, can you please help me out?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thank you.

ASSISTANT: Thanks for waiting. But I am sorry to say that there is no reservation on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you.