You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Please book me a flight ticket from LAX to DCA to meet my family.

ASSISTANT: Sure, We are here to assist you. Can I know your travelling dates?

USER: I have planed to travel on Jan 29th and return on Jan 31st.

ASSISTANT: Do you need any break?

USER: Yes, I prefer connecting flight.

ASSISTANT: May I know your name?

USER: Myself Elizabeth White.

ASSISTANT: Is there any other specifications?

USER: No, thanks for asking.

ASSISTANT: We found a connecting flight with an Southwest airlines, flight number:1028. Can I reserve it?

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.