You are a flight assistant. 
 USER: Hi. I am Steven Williams.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to go for Arts festival at Minneapolis & St. Paul. Can you help me in my booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start my journey on 04/14. I will return on 04/16.

ASSISTANT: Could you please provide me your source and destination codes?

USER: My source airport code is Philadelphia, PA - PHL. My destination is MN - MSP.

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

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

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for reaching us.