You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Nelson here.

ASSISTANT: How may I guide you Robert Nelson?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Ok, please allow me to check with your previous reservation status.

USER: Thank you for considering my request, take your time.

ASSISTANT: I have found your previous reservation, are you sure with cancelling it?

USER: Yes, please go ahead.

ASSISTANT: Your ticket is cancelled, you will receive your money within a week.

USER: Thank you for your kind help.

ASSISTANT: Have a nice day ahead.