You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kevin Lee here.

ASSISTANT: How may I assist you at this moment?

USER: Can you help me to find a flight from MSP to attend a meeting in SEA?

ASSISTANT: Ok, when you are willing to travel?

USER: My travelling dates are 08/31 and 09/02.

ASSISTANT: Sorry, there is no flight on your route.

USER: It's ok, thanks for your help and information.

ASSISTANT: Thanks for contacting us.