You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Hill here.

ASSISTANT: How can I help you?

USER: Can you please help me in booking a flight ticket from AUS to JFK?

ASSISTANT: Sure, please provide me your travel dates.

USER: Sure, my planned travel dates are from Jan 11 to Jan 13.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel with normal cost.

ASSISTANT: May I know about your connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry for the inconvenience, we have not found any flights as per your request.

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

ASSISTANT: Thank you for opting us.