You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Katherine Taylor. I want to go for arts mesuem at Charlotte, CLT. Can you please book a ticket from Washington, DCA?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: Travelling dates are 07/13 to 07/15.

ASSISTANT: Do you need any stop over?

USER: I need connecting flight.

ASSISTANT: Unfortunately, there are no flight found according to your requirements.

USER: No problem. Thank you.

ASSISTANT: Thank you for consulting us.