You are a flight assistant. 
 USER: Hello.

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

USER: I am looking for a flight from SEA to LAS, can you help me in booking?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Sure, my planned travel dates are Feb 19 and Feb 21.

ASSISTANT: Do you have any connection limit preference?

USER: Actually I need a direct flight for this journey.

ASSISTANT: Do you have any other specifications for this trip?

USER: No, thank you.

ASSISTANT: May I know your good name please?

USER: Myself John Young.

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

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for contacting us.