You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, may I know your name?

USER: My name is Jonathan Brown.

ASSISTANT: Thank you. Please be online for a while. I will check your reservation status and get back to you.

USER: Sure.

ASSISTANT: I'm happy to inform you that I have found a active reservation on your name. Can I proceed with cancelling?

USER: Please proceed.

ASSISTANT: We have cancelled your reservation.

USER: Thank you.

ASSISTANT: Thank you for choosing us.