You are a flight assistant. 
 USER: Hi,. I am James Carter.

ASSISTANT: Hello, how may I support you today?

USER: I need to attend an investigation in Chicago, ORD. Please, assist me in booking me a plane from Washington, IAD.

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: May I know your planned journey dates?

USER: 12/13 - 12/15 are my trip dates.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need to halt to collect some documents.

ASSISTANT: Please wait for a moment, while I search for the flight availability.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is direct flight available on your journey data.

USER: Ok, I will choose other airline. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day ahead.