You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I need to book a flight ticket from DFW to LGA, can you please help me for booking?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: I would like to travel on 06/13 to return on 06/15.

ASSISTANT: May I know your name for further process?

USER: Sarah Hill here.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I would be return on afternoon.

ASSISTANT: Do you have any another specifications?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Southwest airline flight available and it is a direct flight, fare is 100, shall I confirm this economy class flight?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1023.

USER: Thanks for your information.

ASSISTANT: You are welcome Sarah Hill.