You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Could you please help me with booking a flight ticket from Austin, AUS to Washington, DCA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My planned travel dates are from Oct 03 to Oct 05.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a flight with single connection limit.

ASSISTANT: Do you have any preferences about class?

USER: No, thank's for asking.

ASSISTANT: Please mention your name.

USER: Sure, myself Barbara Martin.

ASSISTANT: The Frontier airlines providing an economy class flight with price 300 and the connections 1. Shall I confirm your ticket?

USER: Yes, please proceed with that ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1013.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.