You are a flight assistant. 
 USER: Hello, Edward Hernandez here.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to attend to my uncle's new house ceremony in Austin, TX - AUS. Can you help me for booking on 06/23?

ASSISTANT: Sure, can you please share your return date?

USER: I want to return on 06/25.

ASSISTANT: May I know at what price you are looking for airfare?

USER: Sure, I can afford up to 1000.

ASSISTANT: Kindly ensure your origin point?

USER: My origin is New York, NY - EWR.

ASSISTANT: Ok, please wait for  a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that unfortunately there is no flights available by the given details.

USER: Ok, no problem. Thanks for your service.

ASSISTANT: Thank you for reaching us. Have a good day.