Hello.
user
Hello, how can I aid you?
assistant
Please help me to book a flight ticket from DCA to LAS.
user
Sure, may I know your travel dates?
assistant
My trip dates are from Sept, 28 to Sept, 30.
user
Do you have any connection limit?
assistant
I need a single connecting flight.
user
Any other specifications to be met?
assistant
No.
user
May I know your name?
assistant
Shirley Clark.
user
Sorry, there were no flights found on your route.
assistant
Thank you for your information.
user
Thank you.
assistant