You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I have an interview in Austin, can you please help me to book a flight from Las Vegas?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will start on October 18th and return back on October 20th.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: I will travel from LAS to AUS.

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

USER: No worries, thank you for the information.

ASSISTANT: You are welcome.