You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

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

ASSISTANT: Sure, may I know your good name please?

USER: My name is Lisa Rodriguez.

ASSISTANT: We found recent reservation on your name and we have cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.