You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you today?

USER: I am Cynthia Mitchell. I would like to organise an event regarding Women empowerment at Chicago, please help me with booking from Austin.

ASSISTANT: Sure, we are glad to serve you. Could you please share from where would you like to depart?

USER: Sure, I would like to fly from Austin, TX - AUS to my destination at Chicago, IL - ORD.

ASSISTANT: Ok, do you need any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, may I know your budget for flight ticket?

USER: My affordable price limit is 500.

ASSISTANT: Ok, Kindly mention your planned dates?

USER: Sure, my arrival and departure dates are 12/14 and 12/12.

ASSISTANT: Ok, please hold a moment, let me check with the flight availability and let you know.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately we did not find any flight on that day.

USER: Ok, no worries at all. Thanks for your valuable information.

ASSISTANT: Thank you for approaching us, have a great day ahead.