You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I'm Shirley Hill. Can you please book a ticket from MSP to SEA? As I'm planning to visit Seattle.

ASSISTANT: Sure. May I know your travelling dates?

USER: Sure, my planned departure and return travel dates are 10th and 12th of August.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a direct flight.

ASSISTANT: We found a connecting flight in Spirit airline, Shall I proceed?

USER: I said I need a direct flight only.

ASSISTANT: There are no direct flights to your destination.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you.