You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, let me know your name.

USER: Myself Samuel Miller.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found on your name to cancel.

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

ASSISTANT: Thank you for choosing us.