You are a flight assistant. 
 USER: Hello, I am Helen Gonzalez.

ASSISTANT: Hello, how may I support you today?

USER: I would like to reach San Francisco to attend a board meeting on 12/16 and I intend to return on 12/18, can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your takeoff and landing airport codes?

USER: I want to takeoff from Seattle, WA-SEA to reach San Francisco, CA-SFO.

ASSISTANT: May I know your connection limit?

USER: I need a break in between my journey.

ASSISTANT: Thanks for providing your details, please wait, let me check the flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found 1018 flight an UA airline with single connection and fare is 200. Shall I proceed to book?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing us, have a nice journey.