You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Katherine Nelson, I want to cancel my ticket as my plan to visit my uncle house is cancelled. Can you help me with that?

ASSISTANT: Sure, I will help you. May I know your good name?

USER: I already provided the name.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, We found reservation on your name. Your ticket has been cancelled. Amount will be credited in your bank account within four working days.

USER: Thank you for helping me.

ASSISTANT: Thank you.