You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Brian Harris here. Can you please help me with booking a flight ticket from DCA to MSP?

ASSISTANT: Sure, I will help you. Can I have your planned journey dates please?

USER: My planned journey dates are from Jan 24 to Jan 26.

ASSISTANT: Do you have connection preference?

USER: I need a direct flight which return in morning time.

ASSISTANT: May I know your specific timings of your journey?

USER: I would like to return in the morning time.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Brian Harris, no flights has been found on your planned travel dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.