You are a flight assistant. 
 USER: Hello, my name is Karen Gonzalez.

ASSISTANT: Hello, how could I support you today?

USER: I have a plan to participate in Horse riding at San Francisco, so please book a flight ticket ticket within a price limit of 1000.

ASSISTANT: Sure, we are glad to aid you. Could you please help me with your dates of journey?

USER: My departure day is 11/18, return day is 11/20.

ASSISTANT: May I know from where you want to start and end your journey?

USER: It is a round trip to San Francisco, CA - SFO.

ASSISTANT: One minute please, I will check with the airlines and get back to you.

USER: Sure.

ASSISTANT: There is an airline called AA with price 200 and flight number is 1000 that matches your given data. Can I confirm your booking?

USER: You can proceed to booking.

ASSISTANT: Your reservation has been completed successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.