You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book the flight ticket from AUS to EWR. Can you please help me?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My travel dates are Dec 19 and Dec 21.

ASSISTANT: Please provide me the specifications.

USER: I need a single connection flight.

ASSISTANT: May I know the name?

USER: Jennifer Hernandez.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.