You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to some issues I want to cancel my reservation. Can you help me out?

ASSISTANT: Sure, may I know your good name please?

USER: Myself Carolyn Hernandez.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: That's ok, no problem.

ASSISTANT: Thanks for picking us.

USER: Welcome.