You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from DCA to EWR. Could you book a ticket?

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

USER: Depart is by Dec, 6 and return date is Dec, 8.

ASSISTANT: Is there any connection limit for you?

USER: I would prefer connecting flight.

ASSISTANT: Are there any other specifications?

USER: I prefer business class.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: My name is Kathleen Young.

ASSISTANT: Hawaiian Airlines is available with the price of 800 having one connection and business class. Can I proceed to booking?

USER: Please book a flight.

ASSISTANT: Your ticket is booked with the flight- 1015.

USER: Thanks.

ASSISTANT: Thank you for reaching us.