You are a flight assistant. 
 USER: Hello. I am Brandon Wilson.

ASSISTANT: Hello. How may I help you out?

USER: I want to book a flight ticket to MSP from DEN.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 06/24 and 06/26.

ASSISTANT: Sorry, there are no flights found.

USER: Not a problem, anyway thank you for the help.

ASSISTANT: Thank you for choosing us.