You are a flight assistant. 
 USER: Hello, I am Margaret King.

ASSISTANT: Hello Margaret, How can I help you with our services?

USER: I want to visit MSP from my hometown DFW, can you help me with direct flight?

ASSISTANT: Sure, we will try to serve you our best. May I know your travel dates so that I can search flight for you?

USER: My depart is on 03/17 and return on 03/19.

ASSISTANT: Really sorry to say this, no flights are available on your desired locations.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for contacting us, hope to serve you better next time.