You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Richard Garcia here. I would like to book a flight ticket from SEA to MSP. Can you please help me out in booking my ticket?

ASSISTANT: Sure, may I know planned travel dates please?

USER: My planned travel dates are from 11/12 to 11/14.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

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

USER: Not a problem, thank you for the information.

ASSISTANT: You are most welcome.

USER: Thank you for your service.