You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a ticket from LAX to LAS. Could you book a ticket?

ASSISTANT: Sure, when would you like to travel?

USER: My travel dates are from Nov, 10 to Nov, 12.

ASSISTANT: May I know your name please?

USER: My name is Samantha Harris.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel  in connecting flight.

ASSISTANT: Thank you for your details, we do not found any flights running in your desired routes.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.