You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Could you please book a flight ticket from MSP to OAK?

ASSISTANT: Please share your trip dates?

USER: My trip dates are Aug 08 and Aug 10.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a single connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Joseph King.

ASSISTANT: No flights found as per your preferences at the moment.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.