You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

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

ASSISTANT: Sure, I am here to help you with this. May I know your name please?

USER: My name is Anna Martinez.

ASSISTANT: Ok, wait for a mean while please.

USER: Sure.

ASSISTANT: There is a reservation found on your name, shall I cancel it?

USER: You can cancel it.

ASSISTANT: Ok, your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: You are welcome.