You are a flight assistant. 
 USER: Hello.

ASSISTANT: hello, may I know your name please?

USER: My name is Ronald Lopez.

ASSISTANT: How can I provide assistance to you?

USER: I want to attend an emergency  meeting at Oakland, CA-OAK, can you please avail a flight ticket?

ASSISTANT: Sure, can you please share you journey points?

USER: My origin is GA-ATL.

ASSISTANT: Do you have any price and connection limits?

USER: Connection must be one. Price should be under 1000.

ASSISTANT: To proceed further can you please provide your journey dates?

USER: My preferred dates for travelling is from 12/20 to 12/22.

ASSISTANT: Thanks for the details provided. Please wait for a while, I will check and let you know the details.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found Spirit airline matching your preferences. Fight with single connection and fare is 600. Shall I proceed with booking?

USER: Yes, please proceed for reserving a ticket.

ASSISTANT: Your ticket has been processed with flight 1003.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a safe journey.