You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I would like to visit Fort Snelling State Park at Minneapolis & St. Paul, MSP. Can you please help me in booking?

ASSISTANT: Sure, please share your source airport code.

USER: My source is at Denver, CO-DEN.

ASSISTANT: Let me know your scheduled dates of journey.

USER: I would like to start on 12/15 and return on 12/17.

ASSISTANT: Do you need a connection within your journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Brandon Hall.

ASSISTANT: Thank you for sharing your details. There are no connecting flights found available according to your preferences.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.