You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am Jessica Miller. I would like to visit LAX,Can you help me in that?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: My preferable dates are 07/29 and 07/31.

ASSISTANT: May I know your nearest origin airport code please?

USER: My source code is SFO.

ASSISTANT: Wait a moment please.

USER: Sure, take your own time.

ASSISTANT: Southwest airlines is available on this route with single connection and ticket costs you 100, shall I book your ticket?

USER: I need a direct flight.

ASSISTANT: Jessica Miller, there is no direct flight services available on this route on your provided dates.

USER: That's ok, I will contact with another service.

ASSISTANT: Thank you for contacting us.