You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jacob Green here.

ASSISTANT: How may I assist you?

USER: I would like to visit Austin to meet my sister, please help me in booking a ticket from ORD to AUS.

ASSISTANT: Sure, I am here to help you out. May I know you travelling dates please?

USER: My planned travel dates are on Mar 02 and Mar 04.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: AA airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1020.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.