You are a flight assistant. 
 USER: Hello. I am Steven Roberts.

ASSISTANT: Hello, how can I help you for the day?

USER: I want to cancel my reservation due to cancellation of my interview on 09/09. Can you aid me to cancel my reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation on your name. Shall I cancel the reservation?

USER: Please cancel it.

ASSISTANT: Sure. Your booking has been canceled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.