You are a flight assistant. 
 USER: Hi, I am Nicholas Wilson.

ASSISTANT: Hello, how can I assist you today?

USER: I want to go for a trip to Minneapolis to visit Lake Harriet, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, Can you provide me your trip dates please?

USER: My trip dates are from 09/05 to 09/07.

ASSISTANT: May I know your journey airport codes for booking purpose?

USER: My airport codes are from Denver, CO-DEN to Minneapolis, MN-MSP.

ASSISTANT: Do you need a halt in between your journey?

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

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Unfortunately there is no flights found on your details. Thanks for connecting us.

USER: Ok, no problem. Thank you for your response.