You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Scott Taylor. Can you please book me flight ticket from IAD to visit places at ORD?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: Sure, my planned trip dates are June 28th and June 30th.

ASSISTANT: Do you have any specifications?

USER: I am flexible with a single connecting flight.

ASSISTANT: Here, as per your request I have found a flight with 1 connection and airfare is about 100. Shall I proceed in booking with this flight?

USER: Yes, please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1010 in Delta airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.