You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Richard Anderson here.

ASSISTANT: Richard, how may I assist you at this moment?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you in cancelling, please hold on for a moment to check your reservation status.

USER: Ok, I will wait.

ASSISTANT: Richard, there is no any active reservation with your name in my database.

USER: Anyway, thanks for the information.

ASSISTANT: It's my pleasure.