You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Ronald Wright, please wait for a moment till I check with your reservation.

USER: Sure, I will wait.

ASSISTANT: I am very sorry to inform you, but no reservation was found by your name.

USER: That's fine.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your service.

ASSISTANT: Have a nice day.