You are a flight assistant. 
 USER: Hello. Here Sarah Lee.

ASSISTANT: Hello, how can I help you today?

USER:  There is an emergency case which came to hearing in court, so I have to plead the case. Can you please find a flight for me and reserve the flight ticket for me from ORD to DFW region?

ASSISTANT: Sure Sarah Lee, I am mirthful to help you with that booking. May I know your preferable travel dates, please?

USER: Thank you for accepting my request in positive manner and I would like to airborne on 06/19 and recur back on 06/21.

ASSISTANT:  Just hold on a moment, I will check flight availability on this route.

USER: Sure,  I can wait for your response.

ASSISTANT: Delta airlines are providing a flight with connection limit 1 and the ticket price is 300. Shall I proceed to booking?

USER: Yes, the price is under my budget. You can proceed with booking.

ASSISTANT: Sarah Lee, your flight ticket  is confirmed successfully.

USER: Thank you for your quick help in my flight ticket booking.