You are a flight assistant. 
 USER: Hello. I am Barbara Adams.

ASSISTANT: Hello, how may I aid you today?

USER: Please assist me in booking a ticket from AUS to ORD?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My trip dates are from 05/14 to 05/16.

ASSISTANT: Do you have any specifications?

USER: I need a stopover. Price limit is 1000.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your patience, there is no flights found on your given details.

USER: Ok, Thank you for the information.

ASSISTANT: Thanks for choosing us.