You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Rebecca Davis. I need to book a flight ticket from IAD to LAS, can you please help me for booking?

ASSISTANT: Sure, we are euphoric to help you. Could you please share your departure and arrival dates?

USER: I would like to travel on 10/31 to return on 11/02.

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

USER: I need a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: No.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.