You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you aid me in booking a flight ticket from ATL to AUS?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Myself Anthony Perez.

ASSISTANT: Please help me with your planned travel dates.

USER: Sure, I would like to go on Nov 21st and return back on Nov 23rd.

ASSISTANT: Do you need a break in your journey?

USER: Ensure it is a single connecting flight.

ASSISTANT: Please help me with your preferred class to fly.

USER: I prefer to go in a economy class.

ASSISTANT: Do you have any other preferences in your journey?

USER: Ensure the depart time is in the afternoon.

ASSISTANT: Anthony Perez, I am really sorry to inform you that there are no flights available for your journey.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us. Have a great time.

USER: Welcome.