You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Please help me in booking flight ticket from DCA to DTW.

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

USER: My trip dates are Dec 24 to Dec 26.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I prefer to travel in connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No,.

ASSISTANT: May I know your name please?

USER: Elizabeth Miller here.

ASSISTANT: We found an AA airline, flight number: 1018, price: 100 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.