You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me to book a ticket from CLT to IAH?

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

USER: My travel dates are Mar 15 and Mar 17 respectively.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Brian Nelson here.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I didn't have any class preferences.

ASSISTANT: Let me know your connection limit?

USER: I prefer to travel in connection flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Oh! sad to hear that.

ASSISTANT: Thank you for choosing us.

USER: Thank you.