You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Can you please check for the flights from AUS to DEN for my business trip?

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

USER: My trip dates are on July 11th to July 13th.

ASSISTANT: Do you have any connection limit preference for this trip?

USER: I need 1 connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I was looking for an economy class.

ASSISTANT: May I know your good name please?

USER: Myself Jennifer Rodriguez.

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

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.