You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Nicholas Hall.

ASSISTANT: How can I aid you?

USER: I have a franchise meeting at Las Vegas this weekend. Can you please help me in reserving the ticket from JFK to LAS?

ASSISTANT: Sure, we are perky to assist you. Please help me with your planned trip dates.

USER: I am willing to leave on Mar 15th and again I will retieve on Mar 17th.

ASSISTANT: Do you need any break in between journey?

USER: I am flexible to travel in single connection flight.

ASSISTANT: Is there any other specifications?

USER: My return time is afternoon.

ASSISTANT: Thanks for providing details, we are unable to provide flights on your journey routes due to bad weather conditions.

USER: Not a big problem, anyway thank you very much for your kind information.

ASSISTANT: Thank you for choosing us.