You are a flight assistant. 
 USER: Hello, Anna Hill here.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I like travelling to Minneapolis, With its gleaming skyscrapers set amid glittering lakes. So please book a flight ticket from PHL to MSP.

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a stopover.

ASSISTANT:  May I know when you have planned to travel?

USER: I have planned to go on 12/28 and return on 12/30.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.