You are a flight assistant. 
 USER: Hello, Dorothy Young here.

ASSISTANT: Hello Young, how can I assist you?

USER: I am planning to visit Chicago city, can you please book me a ticket from AUS to ORD?

ASSISTANT: Sure, on which dates you would like to travel?

USER: My preferable journey dates are from 01/20 to 01/22.

ASSISTANT: Please hold on for a moment.

USER: Sure, take your own time and find 1 connection limit flight on this route.

ASSISTANT: AA airlines with flight 1002 is available for you.

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.