You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Could you book a ticket for me?

ASSISTANT: Sure,May I know your travelling locations?

USER: The origin is las vegas, NV - LAS and destination is houston, TX - IAH.

ASSISTANT: Can you please provide travelling dates?

USER: The departure is on 09/09 and return is on 09/11.

ASSISTANT: May I know your name for further process?

USER: Stephanie carter.

ASSISTANT: Wait a moment Stephanie carter. I will inform you. As per your requested details there is a flight available with 1 connection and price limit is 100. Airline is Delta and flight number is 1000.

USER: OK.

ASSISTANT: Shall I book the flight ticket?

USER: Yes.

ASSISTANT: OK. Your flight ticket has been confirmed.

USER: OK.

ASSISTANT: Have a nice day.