You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jacob Adams here.

ASSISTANT: How can I help you at this moment?

USER: Owing to an emergency I need to travel from AUS to ORD. Can you help me in booking flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My trip dates are Sept 1 to Sept 3.

ASSISTANT: Do you have any another specifications?

USER: I need a connecting flight.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry no single connecting flights are available in this route as per your requested dates.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for contacting us, have a nice day.