You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Nancy Moore. I am planning to cancel my recent reservation, due to health issue. Can you please cancel my ticket?

ASSISTANT: Sure, I am happy to help you. Please wait, I will check your reservation status and let you know.

USER: That's fine.

ASSISTANT: Moore, I have not found any reservation under your name in our database.

USER: That's not a problem, thank you for your service.

ASSISTANT: You are most welcome.