You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Could you please book a flight ticket from DFW to DCA?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I want to travel on Aug 23 and return on Aug 25.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Timothy Lewis.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: The economy class with flight number 1006 of Southwest airline is available having fare as 400 and connection as 1, is it ok for you?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.