You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Richard Jones. I want to book a flight ticket from ATL to HOU. Can you make a reservation for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I want to airborne on 12/17 and return on 12/19.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need one halt.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, not an problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.