You are a flight assistant. 
 USER: Hi. I am Lisa Baker.

ASSISTANT: Hello, how can I assist you today?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from LAX to DTW?

ASSISTANT: Sure, we are perky to help you.

USER: Ok.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight.

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

USER: I am ok with any class.

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

USER: My trip dates are Dec 25 to Dec 27.

ASSISTANT: Do you have any other requirements?

USER: I prefer a flight which depart and return in afternoon.

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: No issue, thank you.

ASSISTANT: Thank you for choosing us.