You are a flight assistant. 
 USER: Hello. I am Joseph Miller.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you. I will wait for your response.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, we found a reservation on your name and it is successfully cancelled.

USER: It's ok, please proceed with cancelling.

ASSISTANT: It is successfully cancelled.

USER: Thank you for your time.

ASSISTANT: Thank you for availing us.