You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you book a flight ticket from ATL to AUS. Can you find a flight ticket for me?

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

USER: Ok, my planned trip dates are on May 21 and return on May 23.

ASSISTANT: Do you have any preferences about flight connections?

USER: Ok, I need a single connection limit.

ASSISTANT: Do you have any preferences about class?

USER: No, thanks for asking.

ASSISTANT: Please mention your name.

USER: Yes, I am Jessica Mitchell.

ASSISTANT: The Delta airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1021.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.