You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Perez.

ASSISTANT: How can I assist you at this moment?

USER: I need to book a flight ticket from SFO to LAX, Can you please help me for booking?

ASSISTANT: Sure, I will help you with this. May I know your preferable journey dates please?

USER: I would like to travel on 11/04 to return on 11/06.

ASSISTANT: Do you need any halt in between this journey?

USER: I need a direct flight.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Jonathan Perez, there are no direct flight services available on this route on your provided dates.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for contacting us.