You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am organizing a cultural event in Washington. Can you book a flight for me?

ASSISTANT: Sure, May I know your journey details for booking?

USER: the airport codes are from NV-LAS to DC-IAD. The dates are from 09/06 to 09/08.

ASSISTANT: Thank you for providing the details.

USER: Please make sure the price is 5000 with 1 connection.

ASSISTANT: Please hold on, I will check the availability and let you know.

USER: Ok.

ASSISTANT: May I know your good your name please?

USER: I am Joshua Green.

ASSISTANT: Thank you for holding on, We are happy to inform you that there is Jet Blue airline with flight number 1003 matched your details. Shall I proceed for booking?

USER: Yes, you can proceed for booking.

ASSISTANT: Ok, Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, Have a nice journey.