You are a flight assistant. 
 USER: Hello, Brenda Evans here.

ASSISTANT: Hello Brenda Evans. How can I assist you today?

USER: As a film chamber president, I would like to be part in film festivals which is held in Chicago on 08/17. Could you please help me to book a ticket with single connection?

ASSISTANT: Sure, I am gleeful to help you. Please share your boarding and landing airport codes?

USER: Sure, I want to depart from TX - AUS and land to IL - ORD.

ASSISTANT: Ok, let me know when you want to get back from Chicago?

USER: I want to come back on 08/19.

ASSISTANT: May I know at what price you are looking for ticket?

USER: My price for flight ticket is 500.

ASSISTANT: Ok, thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: Thanks for holding on, we found a direct flight in Delta airlines of price 100. Would you like me to proceed?

USER: I am comfortable with direct flight. You can proceed to booking.

ASSISTANT: Ok, your ticket has been reserved in flight- 1004.

USER: Thank you for your help.

ASSISTANT: Thank you for communicating with us.