You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from MSP to LAX, can you please help me?

ASSISTANT: Sure, please share your planned travel dates?

USER: I planned my trip on the dates Sept 10 and Sept 12.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Any other preferences?

USER: No, other preferences. Anyway thank you for checking.

ASSISTANT: Can I have your name please?

USER: Sure, myself Donna Young.

ASSISTANT: Sorry, no flights found with your given dates.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for opting us.