You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Please help me out in booking the ticket from SEA to AUS.

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

USER: My trip dates will be Oct 21 to Oct 23.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a connecting flight.

ASSISTANT: Please mention your name.

USER: John Young is my name.

ASSISTANT: The Southwest airlines providing a business class flight with price 1000 and the connections 1. Shall I confirm your ticket?

USER: Please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1011.

USER: Thank you.

ASSISTANT: Welcome, have a great day.