You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

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

ASSISTANT: Sure, Could you please share your trip dates?

USER: I want to fly on Dec 15, return on Dec 17.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: May I know your good name?

USER: My name is Rachel Garcia.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight 1023 from American Airlines with a fare of 200. Shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.