You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

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

ASSISTANT: Can I know your travelling dates?

USER: Sure, I want to travel on Aug 9 and need to return on Aug 11.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Are there any other specifications?

USER: I prefer an economy class to travel.

ASSISTANT: May I know your name for reservation?

USER: My name is Angela Lewis.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 15:00 hours and arrives at 18:00 hours, shall I book your ticket in this flight?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed in flight 1021.

USER: Thank you.

ASSISTANT: Thank you for choosing us.