You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I will help you with cancellation.

USER: Ok.

ASSISTANT: May I know your good name?

USER: Myself Brian Phillips.

ASSISTANT: Please wait for a moment, while I search for the reservation.

USER: Sure, I will be waiting for your response.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for visiting us.