You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Margaret Robinson.

ASSISTANT: Margaret, how may I be your helping hand?

USER: I have business meeting at New York on 09/23, can you help me to book a flight ticket?

ASSISTANT: Sure, I am glad to help you. When do you want to start your journey?

USER: I would like to start my journey on before my meeting date, that is on 09/22.

ASSISTANT: Ok, will you need a return ticket too?

USER: Yes, I need a return ticket too. I would like to return on 09/24.

ASSISTANT: Ok, may I know the codes of airport you would like to have this booking?

USER: Sure, my origin airport code is DFW and destination airport code is EWR.

ASSISTANT: Noted, please hold on meanwhile I will check for the best services available on your dates.

USER: Make sure that, I need a connecting flight.

ASSISTANT: Sure, thank you for waiting. I found a flight 1003 in Frontier airline providing services on your route with price 200. Shall I proceed with this airline?

USER: Yes, you can proceed with booking.

ASSISTANT: Ok, your booking is confirmed.

USER: Thank you for your supportive service.

ASSISTANT: You are welcome, have a pleasant journey.