You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to watch sports live events in Washington, so please book a flight ticket from PHL to DCA.

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

USER: I would like to fly on Jan 12, return on Jan 14.

ASSISTANT: May I know the specifications?

USER: I need a connecting flight.

ASSISTANT: Please provide me the name.

USER: My name is Mary Allen.

ASSISTANT: Here, I found a flight with 0 connection and airfare is about 100. Shall I proceed with booking?

USER: Ok, proceed to booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1001 in American Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.