You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit New York, can you please book me a ticket from AUS to EWR?

ASSISTANT: Please share your travel dates?

USER: My planned dates of journey are Oct 08 and Oct 10.

ASSISTANT: Do you have any connecting preferences?

USER: I prefer connecting flight for this trip.

ASSISTANT: Is there any other concern?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: My name is Donna Hernandez.

ASSISTANT: Sorry, no flights found as per preferences. Thank you.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for choosing us.