You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit San Francisco, will you help me in booking the flight ticket from MSP to SFO?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are Oct 17 and Oct 19.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your name please?

USER: Myself Sarah Hill.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.