You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket from IAD to LAS?

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

USER: I would like to depart on Jan 19th and return on Jan 21st.

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

USER: Please confirm the booking under the name Edward Nelson.

ASSISTANT: Let me know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I have no other requirements.

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

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.