You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Katherine Roberts. I want to attend a seminar in my college at Minneapolis & St. Paul.

ASSISTANT: Ok.

USER: Can you help me in my booking?

ASSISTANT: Sure, kindly share your selected airport codes.

USER: My source airport code is Denver, CO - DEN. My destination is MN - MSP.

ASSISTANT: Could you please mention your travelling dates?

USER: I will start my journey on 10/17. I will return on 10/19.

ASSISTANT: Do you need any stop over in between the journey?

USER: I need a direct flight in my journey.

ASSISTANT: Sorry to say that, no flights are running on your requested route.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.