You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I want to book a flight ticket from MSP to reach my destination on the month of May. Can you please aid me for booking with a direct flight?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Sure, my travelling dates are 4 and 6.

ASSISTANT: Ok, please let me know your airlines preferences.

USER: I prefer to fly in normal cost.

ASSISTANT: Ok, please provide me airport code of your destination location.

USER: Sure, I want to reach LAS.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: Ok, thanks for your assistance.

ASSISTANT: Can I have your name please for documentation purpose?

USER: Sure, my name is James Smith.

ASSISTANT: Thank you for choosing us.