You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you? Sure.

USER: Can you please hep me with flight ticket booking from ATL to ORD?

ASSISTANT: Yes, tell me your travel dates please?

USER: Thank you. I have planned my travel dates as Jan 14 and Jan 16.

ASSISTANT: May I know your name please?

USER: Sure, myself Emily Scott.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I am looking for direct flight.

ASSISTANT: Any other preferences?

USER: I would like to depart in evening time so please check with that.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you.

USER: Most welcome.