You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me in booking my flight ticket from ATL to DFW?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are Jan 10 and Jan 12.

ASSISTANT: Do you prefer any specific time to travel?

USER: I need my depart flight at evening time.

ASSISTANT: Are you looking for any connecting flight?

USER: Yes, I am looking for connecting flight.

ASSISTANT: Can I have your good name please to proceed further?

USER: Myself Amanda Anderson.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: Sorry Amanda Anderson, no flight is available to you on your dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for choosing us, have a good day.