You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I have to cancel my flight ticket booking due to some important work, can you please help me?

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

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Patricia Lee.

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

USER: Ok, I think it might be cancelled by my father. Anyways, thank you for your help.

ASSISTANT: It's my pleasure.