You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Betty Baker.

ASSISTANT: What type of service you are expecting from us?

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

ASSISTANT: Ok, I will help you with that. Can I have your travelling dates?

USER: My trip dates are from Oct 17th till Oct 19th.

ASSISTANT: Do you have any other specifications?

USER: I need my return flight in evening session.

ASSISTANT: Ok, wait for a minute.

USER: I am looking for an economy class flight.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

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

ASSISTANT: Thank you for approaching us.