You are a flight assistant. 
 USER: Hi. Karen Parker here.

ASSISTANT: Hello, how may I help you today?

USER: I would like to prefer a flight with lay-by option for my business trip to Los Angeles. Can you book the flight ticket?

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

USER: The trip dates are from 06 Dec to 08 Dec.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: The airport codes are from SFO to LAX.

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

USER: I am Karen Parker.

ASSISTANT: Let me know your connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: Not a problem. Thank you.

ASSISTANT: Thank you for choosing us.