You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am planning to attend the Food Festival in SEA, so please help me in booking a flight ticket from JFK.

ASSISTANT: Sure, we are pleased to serve you. May I know your depart and arrival time?

USER: I want to fly on Jan 23 and return on Jan 25.

ASSISTANT: Do you have any class preference?

USER: I would like to prefer business class.

ASSISTANT: Would you like to travel in direct flight or connecting flight?

USER: I need a single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: Not an issue. Thank you.

ASSISTANT: For documentation, may I know your name please?

USER: Myself Charles Gonzalez.

ASSISTANT: Thank you for availing us, have a good day.

USER: Thank you.