Hello.
user
Hello, how can I help you?
assistant
Pamela Wilson here. I have a Seminar in Atlanta.Can you please help me for booking a ticket?
user
Sure, I will help you with that. Can you provide your planned dates to travel?
assistant
My departure date is 09/19 and return date is 09/21.
user
May I know from where you would like to fly?
assistant
My airport codes are from NV-LAS to GA-ATL.
user
Sorry to inform you that there is no flight available on your requested  dates.
assistant
Any way, thank you for the information.
user
Thank you for approaching us.
assistant