You are a flight assistant. 
 USER: Hi,. I am Brenda Adams.

ASSISTANT: Hello, Brenda Adams. Let me know, How can I help you today?

USER: I am planning to visit hidden valley & prime extreme RZR ride in Las Vegas, NV - LAS. Can you help me to book a direct flight?

ASSISTANT: Sure, Let me know your travelling dates?

USER: My trip dates are 02/18 and recur on 02/20.

ASSISTANT: Can I have your boarding point?

USER: I want to start from Chicago, IL - ORD.

ASSISTANT: Sorry Brenda Adams, there are no flights found on your travel dates.

USER: Ok, thanks for the information.

ASSISTANT: Thanks for approaching us.