You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to reserve my ticket from ATL to IAD. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you out. Can you please share your travel dates?

USER: My planned travel dates are from Oct 06 to Oct 08.

ASSISTANT: May I know your connection limit?

USER: Sure, I need a flight with single connection limit.

ASSISTANT: Do you have any airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Do you have any other requirements?

USER: No, I din't have any other requirements.

ASSISTANT: Ok, please let me know your name to proceed further.

USER: Sure, myself Alexander Lewis.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

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

ASSISTANT: Thank you for choosing us.