You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I need to book a flight ticket from DCA to EWR, Can you please help me for booking?

ASSISTANT: Sure, we are glad to help you in booking. Could you please help me by providing your travelling dates?

USER: I would like to travel on 09/17 to return on 09/19.

ASSISTANT: Do you need a break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Kindly share if you have any airline preference.

USER: I am comfortable with any prefernce.

ASSISTANT: Is there any other specifications?

USER: I need a economy class.

ASSISTANT: May I know your name please?

USER: Amanda Nelson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Hawaiian airline with the flight number-1005. Shall I book the ticket?

USER: Ok, proceed for booking.

ASSISTANT: Your seat has been reserved with the connecting flight.

USER: Thanks for your information.

ASSISTANT: It's pleasure to serve you.