You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I abet you today?

USER: My name is Katherine Jones, I want to cancel my reservation due to an emergency.

ASSISTANT: Ok. Thanks for waiting. Your name is found in the reservation list, May I proceed to cancel?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled, and amount will be refund to you with in a 4 working days. Thanks for choosing us.

USER: Thank you for your service.