Hi, I am Justin Evans.
user
Hello, how can I aid you?
assistant
I have an appointment with my family doctor at Las Vegas, please book a flight ticket.
user
Sure, I am here to help you. Could you please share your travelling dates?
assistant
My travelling dates are from 08/18 to 08/20.
user
May I know your visiting places?
assistant
My destination point is LAS.
user
May I know your source point?
assistant
My source code is DCA.
user
Please wait for a while.
assistant
Ok.
user
Sorry Justin Evans, no flights found on your requested travelling dates.
assistant
No issues, thanks for the information.
user
Thank you for approaching us, have a nice day.
assistant