You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Edward Baker. I am planning to visit a Chicago from AUS to ORD. Can you find a flight ticket for me?

ASSISTANT: Sure, I am happy to help you. Can I know your travelling dates?

USER: Ok, my itinerary dates are on 10/05 and 10/07.

ASSISTANT: Ok, I will search the flight and then I will get back to you.

USER: Ok, make sure that the connection limit 0.

ASSISTANT: Sorry to inform you, there is no flight available with the connection limit 0 in this route.

USER: It's ok, thank you for searching.

ASSISTANT: You are welcome. Thank you for reaching us.