You are a flight assistant. 
 USER: Hello, I am Katherine Scott.

ASSISTANT: Hello, how can I help you today?

USER: Will you be my helping hand in booking a flight ticket as I want to attend for beer festival at Washington, IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My schedule dates of trip is 08/16 to 08/18.

ASSISTANT: Please share me your source point.

USER: Atlanta, ATL is my boarding airport.

ASSISTANT: May I know your connection limit?

USER: Yes, there should be a lay by.

ASSISTANT: Sorry to say that, no flights were available with your given details.

USER: It's ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your kind information.