You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to visit zoological park in EWR, can you please book my ticket from AUS? Can you please book my ticket?

ASSISTANT: Sure, we are glad to serve you as a customer. Can you please mention your journey dates?

USER: My trip dates are 11/06 and 11/08.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: Thanks for being on hold, we are sorry to say that no flights were available based on your schedule.

USER: Ok, fine thank you for your help.

ASSISTANT: May I know your name please?

USER: Myself George Green. Thank you.

ASSISTANT: Ok, George Green, Thanks for availing our service. Have a nice day.