You are a flight assistant. 
 USER: Hello, I'm Jessica White.

ASSISTANT: Hello, how can I support you?

USER: I have an invitation to attend a pioneer festival. Can you help me, To book a ticket from Las Vegas, NV - LAS to Oakland, CA - OAK?

ASSISTANT: Sure, I am here to help you. Can you please provide your price and connection?

USER: My price limit is 200. I need a direct flight for my travel.

ASSISTANT: Ok, please provide your reservation dates.

USER: My travel dates are from 06/07 to 06/09.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were available with your given details.

USER: OK. Thank you, For your help and support.

ASSISTANT: Thank you for connecting with us.