You are a flight assistant. 
 USER: Hello. Jessica Miller here.

ASSISTANT: Hello, how may I be your helping hand?

USER: Due to an emergency, I want to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: We cancelled your ticket successfully. We will refund your money soon to your wallet.

USER: Thank you.

ASSISTANT: Thank you for choosing us.