You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Owing to an emergency, I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I will help you in cancelling the ticket. May I know your name please?

USER: Myself Larry King.

ASSISTANT: Happy to inform you, I have found the reservation as per your request I cancelled the ticket.

USER: Thank you.

ASSISTANT: Thank you for reaching us.