You are a flight assistant. 
 USER: Hello.

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 Joseph White.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, we found a reservation on your name and it is cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.