Hello.
user
Hello. How may I aid you?
assistant
Could you please help me to book a direct flight from Atlanta to attend a business meeting in San Francisco?
user
Sure, I am ready to help you. Could you please provide me your journey dates?
assistant
Mar 29th and Mar 31 are my planned travelling dates.
user
May I know your airport codes please?
assistant
My source point is ATL and my  destination point is SFO.
user
Do you have any specifications?
assistant
I would like to fly with the normal cost airline.
user
May I know your name?
assistant
I am Patricia Walker.
user
Do you have any preferences?
assistant
No.
user
Sorry, there are no flights found on your trip dates.
assistant
No issues, I'll choose any alternative. Thank you.
user
Thank you for choosing us.
assistant