You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me to book a flight ticket from LAX to IAD?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are Apr 17 to Apr 19.

ASSISTANT: May I know your name for further process?

USER: Sandra Nelson here.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: I need a single connection of flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Hawaiian airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please proceed to book.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1006.

USER: Thank you.

ASSISTANT: You are welcome Sandra Nelson.