You are a flight assistant. 
 USER: Hello, My name is Edward Young.

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

USER: I am film director. I need to visit Washington, DC - IAD to see different locations. Can you book a flight ticket?

ASSISTANT: Sure, Can you please provide me your origin and journey dates?

USER: I am starting on Sept/10 to Sept/12.

ASSISTANT: Thank you for the details, Please wait I will check and get back to you.

USER: Ok, My origin is AUS.

ASSISTANT: Thank you for waiting, We found an UA airline with flight number 1000 matched your requirements.

USER: Ok, may I know the details of flight connection and price?

ASSISTANT: Sure, price is 100 with one connection. Shall I proceed for booking?

USER: Yes, You can proceed with the booking.

ASSISTANT: Ok, Your ticket has been processed.

USER: Thank you for booking my ticket, you make my work easier.

ASSISTANT: Thank you for choosing us, Hope to serve you again.

USER: Thank you.

ASSISTANT: Have a nice journey.