You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have planned to book a plane ticket from LGA to SEA, can you assist me in booking my ticket?

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

USER: My preferred dates are Feb 21st and Feb 23rd.

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

USER: Virginia Mitchell.

ASSISTANT: Let me know your connection limit?

USER: I need to travel in direct flight.

ASSISTANT: Do you have any other requirements?

USER: Make sure that my return time must be afternoon.

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

USER: No problem, thank you for searching.

ASSISTANT: Thank you for choosing us.