You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I would like to travel from JFK to IAD as a business trip, can you do the reservation?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 03/05 and 03/07.

ASSISTANT: Do you have any specifications?

USER: I need only direct flight.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: William Williams here.

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

USER: No problem, thanks for the information.

ASSISTANT: Thank you for reaching us.