You are a flight assistant. 
 USER: Hello, I am Barbara Collins.

ASSISTANT: Hello, how can I assist you?

USER: I would like to go to a event in Los Angeles, so could you please reserve a seat in a flight which is going through Los Angeles?

ASSISTANT: Sure, may I know your nearest airport codes please?

USER: My source and destination airport codes are LAS and LAX.

ASSISTANT: Could you please help me with your planned travel dates?

USER: I would like to go on 02/11 and return back on 02/13.

ASSISTANT: Please hold on a moment, Barbara.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airlines with fare 100 and single connection. Can I book your ticket?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your booking is confirmed with flight number 1011.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.