You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Helen Rodriguez here. I would like to visit Chicago, can you please help me to book a ticket from AUS to ORD?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my desired dates of journey is from 02/27 to 02/29.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: Ok, please proceed with this ticket.

ASSISTANT: Your ticket is booked, flight number 1022.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.