You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can  you please book a flight ticket from IAD to LAX?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: Sure, I need to travel on dates of Oct 17 and Oct 19.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I am looking for single connecting flight.

ASSISTANT: Can you please provide your name for further proceedings?

USER: Sure, myself Paul White.

ASSISTANT: As per your requirements, I have found a connecting flight to your region on your planned dates of journey which departures in the morning having a ticket fare of 100 by Southwest airlines. Shall I proceed with the booking?

USER: That is fine, please proceed with booking.

ASSISTANT: I have booked your flight ticket with the flight 1003 in an economy class.

USER: Thank you for your help.

ASSISTANT: You are welcome, thank you for employing our service.