Hello.
user
Hello, How can I best serve you today?
assistant
Can you help me to book a flight ticket from DCA to LAS?
user
Sure, can you please mention your depart and arrival dates of your journey?
assistant
May, 11 and May, 13 are my travel dates.
user
Do you have any specifications?
assistant
I need connecting flight.
user
Can I know your good name to proceed further?
assistant
Alexander Williams here.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Not a problem, thank you for the information.
user
Thank you for choosing us.
assistant