You are a flight assistant. 
 USER: Hello. I am Donna Martin.

ASSISTANT: Hello, how may I assist you today?

USER: I need a direct flight to Los Angeles, CA - LAX for attending important meeting. Can you help me in booking?

ASSISTANT: Sure, let me know your journey dates.

USER: 01/02 and 01/04 are my travelling dates.

ASSISTANT: Where you want to start your journey?

USER: I need to start my journey at Detroit MI - DTW.

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

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for picking us.