You are a flight assistant. 
 USER: Hello. Myself Larry Roberts.

ASSISTANT: Hello, how may I guide you?

USER: I need to schedule my trip to Washington for next week. Can you please help me in booking the ticket from LAS to IAD?

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

USER: I will drop-off 09/10 and again I will be return back on 09/12.

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

USER: Sure, I think that can work for me.

ASSISTANT: Your ticket is booked with flight 1002.

USER: Thank you very much for booking the ticket.

ASSISTANT: You are welcome.