You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you aid me in booking a flight ticket from IAD to PHL?

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

USER: I am planning to start on Dec 11th and return back on Dec 13th.

ASSISTANT: Do you have any specifications?

USER: Make sure that it is a direct flight.

ASSISTANT: Please provide me the name.

USER: Myself Jeffrey Roberts.

ASSISTANT: Here, I have found a flight with 0 connection and airfare is about 200. Shall I proceed in booking?

USER: Yes, you can go ahead.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1024 in Delta Airlines.

USER: Thank you for the support.

ASSISTANT: Thank you for reaching us.