You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you aid me to book a flight ticket from PHL to DTW?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates are Sep 27 and Sep 29.

ASSISTANT: Do you have any preferences?

USER: I prefer for connecting flight to travel and return time should be in the morning.

ASSISTANT: May I know your good name?

USER: Laura Johnson here.

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

USER: Thank you.

ASSISTANT: Thank you for choosing us.