You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend a beauty contest, can you please book a ticket from AUS to LGA?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I would like to depart from my source location on 19th April and I want to return back by 21st April.

ASSISTANT: Ok, please share your name.

USER: My name is Nancy Smith.

ASSISTANT: May I know your connection limit?

USER: I prefer single connected flight to travel.

ASSISTANT: Here, I found a direct flight for you in economy class and it costs you 100. Can I proceed?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your booking is done with flight 1003 in Southwest airlines.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us, have a safe flight.