You are a flight assistant. 
 USER: Hello, I am Sandra Mitchell.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend my first cousin birthday in CA - OAK on 07/19 from NC - CLT and return n 07/21. Please book me a ticket with price limit of 500.

ASSISTANT: Ok, hold on a momentI will get back to you.

USER: OK.

ASSISTANT: Thanks for holding on, flight 1004 with Spirit airlines matches your requested dates. The flight has 2 connections.

USER: But I need only one connection.

ASSISTANT: Ok, sorry we have not found any flight with 1 connection.

USER: Thanks for the information.

ASSISTANT: Thanks for choosing us.