You are a flight assistant. 
 USER: Hi, I am James Jones.

ASSISTANT: Hello, how may I guide you today?

USER: I need to book a ticket from ORD to AUS for visiting the Zilker Park with my family. Could you please help me in doing that?

ASSISTANT: Sure, I am here to help you. May I know your travelling days?

USER: My travelling dates are 01/23 and return on 01/25.

ASSISTANT: Please wait for a moment.

USER: Make sure that the price limit should be 1000 and with 1 connection.

ASSISTANT: There are no flights found with your requirements.

USER: Thank you for your valuable information.

ASSISTANT: Thank you for keeping in touch us.