You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, could you please tell us for what help you approached us?

USER: Please help me in booking a flight ticket from MSP to SEA.

ASSISTANT:  Sure, may I know your departure and arrival day?

USER: My planned travel dates are Feb, 1 and Feb, 3.

ASSISTANT: Ok, could I have your name please?

USER: Mark Martinez here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need direct flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No, thanks.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: That's ok, not a problem. Thank you for the information.

ASSISTANT:  You are welcome, have a great day.