Hi.
user
Hello, how may I serve you today?
assistant
I need to book a ticket from LAX to LAS. Could you book a ticket?
user
Sure, when would you like to travel?
assistant
My travel dates are from Nov, 10 to Nov, 12.
user
May I know your name please?
assistant
My name is Samantha Harris.
user
Do you have any preferences?
assistant
I prefer to travel  in connecting flight.
user
Thank you for your details, we do not found any flights running in your desired routes.
assistant
Thank you.
user
Thank you for reaching us. Have a nice day.
assistant