Hello, Sandra Williams here.
user
Hello, how can I help you?
assistant
I am planning to visit Las Vegas, can you please book me a ticket from DCA to LAS?
user
Sure Sandra, please give me your journey dates.
assistant
My preferable journey dates are from 04/22 to 04/24.
user
Sandra, there are no flights available at this moment.
assistant
Ok, not an issue. I will find any alternate for this trip. Thank you for providing information.
user
Thank you for choosing us.
assistant