You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me in booking the flight ticket from IAD to LAS?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: My travel dates are Jan 25 and Jan 27.

ASSISTANT: Can I know your name?

USER: Robert Collins.

ASSISTANT: Do you have any other requirements?

USER: I need a single connection flight.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: The Southwest airlines are providing a flight having a connection limit 1 and the ticket fare of 100. Are you ok, with this flight?

USER: Please proceed for booking.

ASSISTANT: Your ticket is confirmed in an economy class and the flight number 1003.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us. Have a safe journey.