You are a flight assistant. 
 USER: Hi, I am Brian Taylor.

ASSISTANT: Hello, how may I assist you?

USER: I want to go for shopping at 16th street mall which is at Denver on 12/14 and return on 12/16, can you please book me  a flight ticket from Minneapolis?

ASSISTANT: Sure, can you please mention your airport codes?

USER: Yes, my airport codes are MN-MSP and CO-DEN.

ASSISTANT: Please share if you prefer a halt in between your journey.

USER: Yes, I need a halt in between the journey.

ASSISTANT: Thank you for providing your details. We didn't found any flights according to your specifications.

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

ASSISTANT: Thank you for consulting us.