You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, may I know your name?

USER: My name is Jason Walker.

ASSISTANT: Please wait a moment.

USER: Ok.

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: Thanks.

ASSISTANT: Thank you for opting us.