You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: I am Kenneth Wilson. I would like to fly from Los Angeles to participate in the final tournament of national basketball association in Minneapolis & St Paul with my team members.

ASSISTANT: It is our pleasure to help you. May i know your tournament details?

USER: My travelling starts from CA-LAX on 04/22. My destination is MN-MSP and return on 04/24.

ASSISTANT: Sorry, no flights are available on your requested dates.

USER: Ok. Thank you for your information.

ASSISTANT:  Thank you for availing us.