You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I am Joseph Collins. I want to exhibit my arts at national gallery of art in Los Angeles. Can you book me a plane ticket from SEA to LAX?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I would leave on 01/05 and return on 01/07.

ASSISTANT: Please wait for a while, I will check the availability.

USER: Sure.

ASSISTANT: There is a direct flight available with Spirit airline, shall I book it?

USER: No don't proceed. I need a connecting flight only.

ASSISTANT: Sorry, there is no connecting flight available on your dates.

USER: That's Ok, Thanks for your assistance.

ASSISTANT: You are welcome, have a nice day.