You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am looking to book a flight ticket from EWR to AUS. Can you help me for that?

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

USER: My travelling dates are Sep 05 and Sep 07.

ASSISTANT: Please provide me the specifications.

USER: I prefer to book a direct flight in my journey.

ASSISTANT: May I know the name?

USER: My name is Raymond Collins.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.