You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend a conference meeting which is held at Minneapolis, can you please aid me to book a flight ticket from Las Vegas?

ASSISTANT: Sure, I am willing to help you for this. Could you please share me your trip dates?

USER: Thank you for your quick response. My preferable trip dates are Sept 14 and Sept 16.

ASSISTANT: Can you please provide me your airport codes?

USER: My origin and terminus airport codes are LAS and MSP.

ASSISTANT: May I know your name please?

USER: Thank you. My name is Alexander Walker.

ASSISTANT: Is there any connection limit?

USER: I feel comfortable to travel in a single connecting flight.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: No, I didn't have any more specifications.

ASSISTANT: Sorry to inform you, no flights are found with your specifications.

USER: It's ok, not an issue with that. Anyways thank you for your assistance.

ASSISTANT: Thank you very much for approaching our agency.

USER: Most welcome.