You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Carolyn Hall. I am looking for a flight from Atlanta, can you help me out?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: I will start my journey on Nov 28 till Nov 30.

ASSISTANT: Ok Carolyn Hall, please let me know airport codes of your journey locations.

USER: My origin airport is ATL and destination airport is HOU.

ASSISTANT: Ok, please wait a moment.

USER: I need my depart time in afternoon and return time in evening.

ASSISTANT: Sorry Carolyn Hall, no flight is available to you on your requested timings.

USER: That's ok, not an issues. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.