You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your name?

USER: Joseph Davis here.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your valuable time, we found reservation on your name and cancelled successfully, amount will refund to your registered bank account within 3 working days.

USER: Thank you.

ASSISTANT: Thank you for opting us.