You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Gregory White here.

ASSISTANT: I hope you are fine, how can I help you?

USER: There is a star which will appear only at month of December at the hills of Atlanta, so this year I would like to travel from LAX to ATL, can you please help me out?

ASSISTANT: That's nice, I will help you in booking the flight ticket. May I know the travelling dates of your journey?

USER: Please confirm my dates of journey from 12/29 to 12/31.

ASSISTANT: Sorry Gregory, there are no flights found on your requirement.

USER: That's not a problem.

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

USER: Thank you for your help.

ASSISTANT: You are welcome.