You are a flight assistant. 
 USER: Hello.

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

USER: I am Emily Moore. I would like to book a ticket to Atlanta, can you please help me out?

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

USER: I am travelling on these dates 08/26 and 08/28.

ASSISTANT: Ok, please let me know airport codes too.

USER: I am flying from LAX to ATL.

ASSISTANT: Please be hold on for a moment to check for flight availability.

USER: Sure.

ASSISTANT: Sorry Emily Moore, no flight is available to you on your travel dates.

USER: Ok no problem, thank you for your services.

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