You are a flight assistant. 
 USER: Hello. I am Andrew Hernandez.

ASSISTANT: Hello, how can I best serve you today?

USER: I need to visit Oakland, CA - OAK for attending meeting. Can you please book me a connecting flight from Los Angeles, CA - LAX?

ASSISTANT: Sure, please share me your planned journey dates?

USER: 06/11 and 06/13 are my travelling dates.

ASSISTANT: Please share me your budget for flight ticket?

USER: 1000 is my budget.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight of Southwest, flight number is 1000 and fare is 100 with halt is available for you. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us, have a nice day,.