You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Due to some urgent meeting, I am planning to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, I am here to help you with that, may I know your name to proceed further?

USER: Myself Samuel Campbell.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.