You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Anna Jackson from Charlotte.

ASSISTANT: Ok.

USER: I am planning to watch sports live events in Dallas & Fort Worth, can you please book a flight ticket from NC - CLT to TX - DFW?

ASSISTANT: Sure, I would be happy to help you. Do you need a stopover in between your journey?

USER: Yes, I need a stopover.

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

USER: I will start on 05/15, return on 05/17.

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.