You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Jack Moore. I would like to travel form ATL to DCA.

ASSISTANT: Ok, please help me with your travelling dates to proceed further.

USER: My preferable dates are from ATL to DCA. My dates are from 07/01 to 07/03. Please check for direct flights.

ASSISTANT: Sorry Jack, there are no direct flights available on your given details.

USER: That's ok. Thank you.

ASSISTANT: You are most welcome.