You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to book a flight from DCA to DTW?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: Sure, I want to travel on Nov 30 and need to return on Dec 2.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT:  Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT:  If you can help me with your name, I can check with the availability of flights.

USER: My name is Kevin White.

ASSISTANT: There is a flight in Southwest airlines with the ticket price of 200 having one connection and economy class. Can I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.