You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Robinson.

ASSISTANT: How can I aid you at this moment?

USER: I am looking for a flight from AUS to JFK, can you help me out?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My trip dates are from Aug 20th till 22nd.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specific depart and arrival timings for this trip?

USER: My depart time should be in evening and my return flight should be in afternoon.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have.

ASSISTANT: Anna Robinson, there are no flight services are available on this route on your provided dates.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for contacting us.