You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: This is Virginia White.

ASSISTANT: Ok.

USER: I want to visit Detroit to serve the old age homes, please help me in booking a flight ticket?

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

USER: Thank you.

ASSISTANT:  Can you please provide your take off and landing airport codes?

USER: My take off airport code is NY - LGA and landing airport code is MI - DTW.

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

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

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are from 12/22 to 12/24.

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

USER: Sure.

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

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.