You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Sure, please hold on for a moment.

USER: Please take your time.

ASSISTANT: I am sorry, there are no reservations with your name.

USER: That's fine, thank you for searching details.

ASSISTANT: Thank you, have a good day.