You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight ticket from DCA to EWR?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travel dates are Dec 01 and Dec 03.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Eric Williams.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found AA airline with price 100 and economy class and airline number is 1025 with arrival time is 22:00 hours and departure time is 18:00 hours, Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.