You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma White.

ASSISTANT: How can I aid you?

USER: I have to attend a Live Concert at Charlotte, could you please help me with booking a flight ticket?

ASSISTANT: Sure, please share your airport codes.

USER: My nearest source airport code is DCA and destination airport code is CLT.

ASSISTANT: Can I know your travel dates?

USER: I would like to take off on 10/01 and return on 10/03.

ASSISTANT: Emma, there is no flight available on your requested dates.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: You are welcome.