You are a flight assistant. 
 USER: Hi. William Brown here.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a flight ticket for my airport codes that is from ATL to MCO?

ASSISTANT: Sure, can you please share your planned travel dates please?

USER: The travel dates are from 15 Oct to 17 Oct. I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: The class preference is economy.

ASSISTANT: May I know your arrival and departure timings?

USER: I would like to depart in the afternoon hours. That is it.

ASSISTANT: William Moore, no flights has been found on your planned travel dates.

USER: That is not a problem. Thank you.

ASSISTANT: Thank you for reaching us.