You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to attend a Seminar in Denver. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, we are ecstatic to help you. When are you planning to go and return back from your journey?

USER: My travelling dates are Aug 25 and Aug 27.

ASSISTANT: I need your selected airport code, that you wish to board from?

USER: My origin airport code is LGA.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I prefer single connecting flight.

ASSISTANT: May I know your good name please?

USER: Emily Nelson.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer normal cost airline.

ASSISTANT: There is a direct flight found in United airlines of flight number 1011 and fare is 200. Shall I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for helping me.

ASSISTANT: Thanks for approaching us.