You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you book a flight ticket from SEA to MSP to attend a conference meeting?

ASSISTANT: Sure, can you please share your travel dates?

USER: I will start on June, 22 and return on June, 24.

ASSISTANT: Do you have any connection limit?

USER: I would prefer to single connection.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline services.

ASSISTANT: Do you have any other requirements?

USER: No, thanks.

ASSISTANT: May I know your name please?

USER: Dorothy Brown here.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us.