You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you now?

USER: Please cancel my reservation.

ASSISTANT: Ok. For cancellation of your ticket, please let me know your name.

USER: My name is Susan Nelson.

ASSISTANT: Thanks for your time. You have no reservation with your name.

USER: OK, thank you.

ASSISTANT: Thank you for availing us.