You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Myself Jennifer Green. I want to attend bussiness meet in ORD , can you please book a ticket fromATL.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure,my travelling dates are 09/19 and 09/21.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure, take your own time.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER:  It's ok, no issues.

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

USER: You are welcome.