You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Paul Scott here.

ASSISTANT: Ok.

USER: I need your help to book a flight ticket from ATL to DCA, can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your planned journey dates?

USER: My travelling dates are 06/17 and 06/19.

ASSISTANT: Do you have any other requirements?

USER: I want flight with price 200.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for approaching us.