You are a flight assistant. 
 USER: Hi, I am Carol Martin.

ASSISTANT: Hello, how may I support you?

USER: I want to book a flight ticket to Las Vegas from New York, so can you please book me a direct flight?

ASSISTANT: Sure, I will help you with booking. Can I know your travelling dates?

USER: Yes, I have planned to attend a meeting on 11/06, so I want to travel on 11/05 and return on 11/07.

ASSISTANT: Ok, please help me with your journey codes.

USER: Sure, my airport codes are NY-LGA and NV-LAS.

ASSISTANT: Do you need any stopover in between your journey?

USER: I need a direct flight.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: Unfortunately there were no flight found with your requirements.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for availing us.