You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Gregory Phillips.

ASSISTANT: How may I abet you today?

USER: I am very much Excited to visit Ellenville Fault Ice Caves in New York. EWR. Could you please help me with booking a flight ticket from Las Vegas, NV-LAS?

ASSISTANT: Sure, I am blissful to help you. Please mention your travelling dates?

USER: 08/01 and 08/03 are my travelling dates.

ASSISTANT: Do you have any restrictions on price limit?

USER: I can pay up to 500.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: I need a direct flight. Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thanks for approaching us. Have a nice day.