Hi.
user
Hello, How can I best serve you today?
assistant
Could you please book a flight ticket from LAS to IAD?
user
Sure, can you please mention your depart and arrival dates of your journey?
assistant
My trip dates are June 02 and June 04.
user
Do you like to go with a connecting or direct flight?
assistant
I need a single connecting flight.
user
May I know if you prefer to have any other comforts in your journey?
assistant
I want to depart in the evening.
user
Can I know your good name to proceed further?
assistant
I am Benjamin king.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
No problem, thank you for the information.
user
Thank you for choosing us.
assistant