You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight ticket to OAK from SEA, can you please help me out?

ASSISTANT: May I know your trip dates to reserve your seat.

USER: Sure, my planned travelling dates are Nov 25 and Nov 27.

ASSISTANT:  Could you let us know if you have any class preference?

USER: Sure, I prefer business class.

ASSISTANT: Are there any more preferences that you want to avail?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT:  May I know your name for the documentation process?

USER: Sure, my name is Joseph Williams.

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

USER: It's ok, thank you for the information.

ASSISTANT: Welcome Joseph Williams.