You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you help me in booking a flight ticket from EWR to JFK?

ASSISTANT: When you are willing to travel?

USER: Apr, 24 and Apr, 26 are my travel dates.

ASSISTANT: Do you have any connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any other requirements?

USER: I prefer business class to travel.

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

USER: Alexander Moore here.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.