You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your service?

USER: I want to book a connecting flight ticket to attend an event from IAD to EWR. Can you help me?

ASSISTANT: Sure, we are glad to help you in booking.

USER: Thank you.

ASSISTANT: Please let me know if you need a connecting flight in between your journey routes.

USER: Yes, I need a break.

ASSISTANT: Kindly share if you have any class preference.

USER: I am comfortable with any class.

ASSISTANT: Could you please help me by providing your travelling dates to proceed further?

USER: 12/27 and 12/29 are my trip dates.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I would like to depart in the afternoon.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: Edward Walker.

ASSISTANT: Thank you for sharing your journey details, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No issue. Thank you.

ASSISTANT: Thank you for approaching us.