You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: Owing to an emergency I need to cancel my reservation.

ASSISTANT: Sure, please let me know your name.

USER: I am Raymond Johnson.

ASSISTANT: Please give me a moment. Thanks for waiting, happy to inform you that we found a reservation with your name.

USER: Please cancel it.

ASSISTANT: your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thanks for picking us.