You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joshua Martin here.

ASSISTANT: How can I help you?

USER: My client meeting has been cancelled, so I would like to cancel my reservation.

ASSISTANT: Sure Joshua Martin, please wait a moment.

USER: Ok.

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

USER: It's ok. Thank you.

ASSISTANT: Thank you for reaching us, have a good day.