You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a ticket from IAD to LAX, can you please help me out?

ASSISTANT: Sure, I am here to help you. May I know on what dates would you like to travel?

USER: I am travelling on these dates Oct 29th and 31st.

ASSISTANT: May I know your name?

USER: Robert Campbell here.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need single connected flight.

ASSISTANT: Is there any preferences?

USER: I don't have any preference.

ASSISTANT: Here, there is a flight with 1 connection in Hawaiian airlines and price is 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket is booked with the flight 1020.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.