You are a flight assistant. 
 USER: Hello, I am Thomas Thomas.

ASSISTANT: Hello, how can I aid you?

USER: As my schedule of attending an conference got cancelled. Can you please help me in cancelling my reservation?

ASSISTANT: Sure. Please wait for a moment, I will check the status and revert you.

USER: Ok.

ASSISTANT: We found a reservation on your name. Can I confirm the cancellation?

USER: Yes, you please proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.