You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from ORD to JFK.

ASSISTANT: May I know on which dates you are planning to start and return?

USER: Travelling dates are from July, 7 to July, 9.

ASSISTANT: I need your preferred connection limit to check for a flight.

USER: I would prefer connecting flight.

ASSISTANT: Ok, please let me know if you need anything else in the meanwhile I will check.

USER: I prefer business class.

ASSISTANT: Sure, for that I need to know your name. Can you please provide me?

USER: My name is Angela Parker.

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

USER: Thanks.

ASSISTANT: Thank you for choosing us.