You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you?

USER: I am Richard Rodriguez. I need a flight ticket  from CA - OAK to TX - HOU.

ASSISTANT: Sure, Please may I know your journey dates?

USER: OK,Departure is on Aug/10 and return is on Aug/12.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: We got a flight with price 100 and connections limit:1. Can I proceed with booking?

USER: Yes,please proceed it now.

ASSISTANT: Sure. Your flight ticket has been confirmed and the flight no is 1021.

USER: OK,Thank you for booking my ticket.

ASSISTANT: Thank you, Have a safe journey.