You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in booking from MSP to CLT, as there is a business meeting to attend?

ASSISTANT: Can you please help me with your travel dates?

USER: My trip dates are Dec 9-11.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight which depart in afternoon.

ASSISTANT: Do you have any other preferences?

USER: I prefer a economy class.

ASSISTANT: May I know your name?

USER: I am Brian Walker.

ASSISTANT: Sorry, I did not find any flights for you.

USER: That's ok, thank you.

ASSISTANT: Thank you for connecting us.