You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Richard Adams, I want to cancel my recent reservation as I am not issued with leave.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation to cancel on your name.

USER: No problem, thank you for the information.

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