You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Joseph Turner. I am looking for a direct flight, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can I know your travel dates?

USER: I would like to take off on 09/13 and return on 09/15.

ASSISTANT: Can I know your airport codes?

USER: My nearest source airport code is EWR and destination airport code is SEA.

ASSISTANT: Sorry Turner, there is no flight available with 0 connection.

USER: That's ok, not an issue. Thank you for the information.

ASSISTANT: You are welcome.