You are a flight assistant. 
 USER: Hi, Raymond Moore here.

ASSISTANT: Hello, Raymond Moore. How may I assist you today?

USER: Could you please reserve me a flight ticket which is having it's depart and return time in the afternoon?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: Thank you, my trip dates are 01/21 - 01/23.

ASSISTANT: Please help me with your depart and return airport codes.

USER: My airport codes are DFW - AUS.

ASSISTANT: Do you need a direct or connecting flight?

USER: I need a single connection.

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

USER: No, thank you for asking.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Raymond Moore, I am sorry to inform you that there are no flights available for your journey.

USER: Not a problem, thank you.

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