You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to reach DCA with a connected flight to attend for a seminar. Can you please assist me for booking?

ASSISTANT: Sure, please provide your trip dates.

USER: My planned dates are on Dec 18 and 20.

ASSISTANT: Can I know your name?

USER: Matthew Garcia is my name.

ASSISTANT: To process your ticket I need your source code.

USER: I am planning to board from JFK.

ASSISTANT: Do you need any connections between your trip?

USER: I need a connected flight to travel.

ASSISTANT: Is there any other specifications required?

USER: No.

ASSISTANT: We have a connecting flight operated by Delta Airlines with a fare of 100. Shall I book your seat in this flight-1009?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for contacting us.