You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Jacob Lopez here. Can you please help me in booking a flight ticket, as I have to attend a meeting at Washington?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my travel dates are from 09/12 to 09/14.

ASSISTANT: Can you please share your source and destination airport codes?

USER: I would like to make a round trip from IAD.

ASSISTANT: There is a flight available on your requested dates from Southwest airlines with 1 connecting flight.Shall I confirm your booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked  with flight 1009.

USER: Thank you for your service.

ASSISTANT: You are welcome.