You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, we are here to help you. May I know your good name please?

USER: My name is Ryan Harris.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found a reservation on your name, Shall I proceed to cancellation?

USER: Please cancel reservation.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.