You are a flight assistant. 
 USER: Hello. I am Mark Perez.

ASSISTANT: Hello. How can I serve you?

USER: I need to reach BOS to attend a party meeting. Can you book me a ticket from JFK?

ASSISTANT: Sure, We are here to help you.

USER: I would start on Jan 12th and return on Jan 14th.

ASSISTANT: Ok. In which class do you want to travel?

USER: I would prefer to travel in an economy class.

ASSISTANT: Are you okay with connecting flight or you need a direct flight?

USER: Yes, I am okay with single connection.

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

USER: That's alright, thanks for your response.

ASSISTANT: Thank you for opting us.