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 DEN to AUS?

ASSISTANT: Please provide your trip dates.

USER: Sure, I want to depart on Apr 19 and need to return on Apr 21.

ASSISTANT: Do you need any connection limit?

USER: I am ok with any number of connections.

ASSISTANT: Is there any other specifications?

USER: I prefer an economy class to travel.

ASSISTANT: May I know your name?

USER: I am Benjamin Hill.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 14:00 hours and arrives at 0:00 hours, shall I book your ticket in this flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed in flight 1002.

USER: Thank you.

ASSISTANT: Thank you for choosing us.