You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to book a flight ticket from ATL to LGA?

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

USER: My travelling dates are 19 and 21 of Feb.

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

USER: Anna King.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the evening.

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: It's ok, not a problem, thank you.

ASSISTANT: Thank you for choosing us.