You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance that you need right now?

USER: I want to travel from DCA to LGA. Can you help me to book a flight ticket?

ASSISTANT: Sure, I can help you and on what dates that you are willing to travel?

USER: I want to fly in the flight on Dec 05 and Dec 07.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Do you need any particular timing flight?

USER: No.

ASSISTANT: May I know your name please?

USER: Margaret King.

ASSISTANT: Please allow me a moment.

USER: Ok, take your time.

ASSISTANT: There is  a flight in Southwest Airlines with a fare of 100 and the flight is direct, do you want me to proceed with booking?

USER: Proceed to booking.

ASSISTANT: Your flight ticket booking is confirmed on your travel dates in 1011 to your journey.

USER: Thank you for helping me out.

ASSISTANT: You are most welcome and have a happy journey.