You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Karen Roberts. I need to meet my friend in San Francisco, can you book flight ticket from CLT and SFO?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are Mar,17 and Mar,19.

ASSISTANT: Please share your specifications.

USER: I need a flight ticket with one connection and the budget limit is 500.

ASSISTANT: We found a flight with couple of connections. Shall I proceed for booking?

USER: Please proceed with the booking, if the flight is for one connection.

ASSISTANT: Sorry, we do not have single connecting flight. Thank you for choosing us.

USER: That's ok, thank you for searching flights.