You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I help you?

USER: I am Sharon Green. I am Planning to start a new project at Seattle, help me in booking my  ticket with direct flight.

ASSISTANT: Please let me know your travelling codes?

USER: I am planning to start on 10/09, I would like to return on 10/11.

ASSISTANT: Please provide travelling codes?

USER: My airport codes will be from NV-LAS to WA-SEA.

ASSISTANT: No direct flight is available. Thanks.

USER: Its ok, thank you for your information.