You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: Please help me to book a flight ticket from DCA to LAX.

ASSISTANT: May I know your planned dates to travel?

USER: My journey dates are from Nov, 08 to Nov, 10.

ASSISTANT: Do you prefer connecting flight or direct flight?

USER: I need a single connecting flight.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: Sothwest Airlines providing connecting flight in the economy class with fare 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us. Can I have your good name?

USER: Eric White.

ASSISTANT: Thank you, have a safe journey.