You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me out in booking flight ticket from ORD to LAX?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Yes, my travelling dates are Nov 17  and Nov 19.

ASSISTANT: Do you prefer halt in between your journey?

USER:     No, I need a direct flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: Can you please check for a economy class ticket?

ASSISTANT: Sure, can I have your good name please?

USER: Yes, my name is Scott Lee.

ASSISTANT: Southwest airlines is providing a direct flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Yes, please.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1004, have a safe journey.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.