You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to visit Las Vegas, can you please book me a ticket from MSP to LAS?

ASSISTANT: I will help you with that. Can you please share your journey dates?

USER: My preferable journey dates are from 11/22 to 11/24.

ASSISTANT: May I know your name please?

USER: My name is Jason Wilson.

ASSISTANT: I am sorry to say that there is no flight found.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for reaching us.