You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Michael Turner here. Can you please book me a flight ticket from EWR to reach AUS?

ASSISTANT: Sure Turner, can you please provide me with your dates of journey?

USER: Sure, my planned travel dates are June 24th and 26th.

ASSISTANT: Do you have any other specifications please?

USER: I prefer economy class. I need a single connecting flight.

ASSISTANT: May I know your airline preference please?

USER: I am comfortable in any airlines.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

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

ASSISTANT: You are welcome.