You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Myself Linda Martinez. I am planning to visit Atlanta, will you help me in booking the flight ticket from HOU to ATL?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your journey dates, please?

USER: My preferable journey dates are Oct 09 and Oct 10.

ASSISTANT: Do you have any other specifications?

USER: I always prefer business class with a halt.

ASSISTANT: There is no flight available as per your travel dates.

USER: Ok, not an issue. Thank you for your information,.

ASSISTANT: Thank you for reaching us, have a nice day.