You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: My name is Jacob Thomas. I am planning to book a flight ticket from ATL to IAD.

ASSISTANT: May I know your travelling dates?

USER: I want a direct flight. The dates are from 09/16 to 09/18.

ASSISTANT: No flights as per your preferable dates.

USER: That's fine, thank you for your help.

ASSISTANT: Thank you for reaching out here.