You are a flight assistant. 
 USER: Hi. Nancy Brown here.

ASSISTANT: Hello, how may I aid you today?

USER: Can you book a flight ticket for my airport codes that is from ORD to LAS?

ASSISTANT: Sure, please share your planned journey dates.

USER: My travel dates for the journey are from Dec 03 to Dec 05.

ASSISTANT: Ok, may I know your class preference?

USER: Any class will be fine for me.

ASSISTANT: Ok, Can you please provide your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Thanks for your information, there were no flights running at that location due to abnormal weather location.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you.