You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go for famous restaurant in Austin AUS, can you please search a flight ticket from ORD?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are 06/21 and 06/23.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Ok, myself Kathleen Martinez.

ASSISTANT: Sorry Kathleen, there are no flights available on your requested dates.

USER: Ok, fine. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.