You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me to book a flight from ATL to IAD?

ASSISTANT: Sure, can you please provide me with your dates of journey?

USER: I want to travel on Nov 4 and need to return on Nov 6.

ASSISTANT: May I know your name please?

USER: Myself Frank Hernandez.

ASSISTANT: Are you looking for any other requirements please?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: You are welcome.