You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my reservation due to my bad health. Can you help me with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: My name is Joseph Miller.

ASSISTANT: I found an active reservation on your name, can I cancel it?

USER: Please cancel my reservation.

ASSISTANT: I have cancelled your ticket.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.