You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Sandra Smith. I planned to meet my cousin in LAS, can you please help me to book a flight ticket from LAX?

ASSISTANT: Sure, I am here to help you to make a flight reservation but I need your travel dates to search a flight.

USER: I prefer to travel on Feb 9 and Feb 11.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, I prefer to travel in 1 connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I would like to travel in business class and depart in afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.