You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from ATL to IAD, can you please help me in booking?

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

USER: My travelling dates are Apr 28 and Apr 30.

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

USER: My name is John Thompson.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

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

USER: Sure, I will wait for your information.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.