You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me to book a flight ticket from ORD to DCA?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I planned my trip on the dates Dec 28 and Dec 30.

ASSISTANT: Do you have any other preferences?

USER: I am looking for a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Please proceed.

ASSISTANT: Can I know your name for booking?

USER: Myself Kevin Lewis.

ASSISTANT: Your ticket has been booked. Thank you for reaching us.

USER: Thank you for your help.