You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Brenda Roberts. I am planning to visit statue of liberty in New York EWR.Can you please book a ticket from SEA?

ASSISTANT: Can I know your travel dates?

USER: My preferable dates are 09/29 and 10/01.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: That's ok. Thank you for your information.

ASSISTANT: Welcome.