You are a flight assistant. 
 USER: Hello. Katherine Martinez here.

ASSISTANT: Hello, How can I help you?

USER: I would like to visit Austin in my vacation, can you please help me in booking a flight ticket from ORD to AUS?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: Sure, my travel dates are from Jan 17 to Jan 19.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There are no flights found on your data.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you.