You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best abet you today?

USER: Due to a sudden meeting at office with my client on my boarding day, so I want to cancel my recent reservation. Can you please help me in cancellation?

ASSISTANT: Sure, we are ravish to help you. Can I have your name to trace your details?

USER: Sure, I made a reservation earlier on the name of William Clark.

ASSISTANT: Ok, give me a moment to check the status of your reservation.

USER: Sure.

ASSISTANT: Thanks for your precious time, we found a reservation on your name. Shall I move forward to cancel it?

USER: Sure, you can cancel it.

ASSISTANT: Your ticket has been cancelled, the amount will be credited in your bank account within four working days.

USER: Ok, Thank you for being my helping hand.

ASSISTANT: Thank you for availing us.