You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Allen.

ASSISTANT: How may I assist you today?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from AUS to EWR?

ASSISTANT: Sure, may I know your travelling dates, please?

USER: I would like to depart on Aug 13th and return on Aug 15th.

ASSISTANT: Do need any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: may I know your travelling time?

USER: Make sure that my departure time and return time must be afternoon.

ASSISTANT: Please hold a moment, let me check best flight for your journey.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights available on your requirements.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching our service.