You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from IAD to LAX, can you please help me out?

ASSISTANT: Sure, I am here to help you with the ticket booking. Can I know your name please?

USER: Patrick Hall here.

ASSISTANT: Ok, please give me your travel dates.

USER: I am travelling on these dates Oct 18th and 20th.

ASSISTANT: Ok, may I know your airlines preference?

USER: I need single connected flight. I don't have any preferences.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: The Spirit Airlines is found with the connection limit 1 and the ticket cost is 100. Can I reserve an economy class ticket?

USER: Ok, you can proceed.

ASSISTANT: I have reserved your ticket with the flight-1006 which is departing in the 23:00 hours and returning in the 13:00 hours.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.