You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I need to travel SFO and MSP, can you please reserve flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are Oct,05 and Oct,07.

ASSISTANT: Ok, do you have any specifications?

USER: I need to travel in economy class.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Please make sure it is direct flight.

ASSISTANT: May I know your name please?

USER: Myself Jerry Smith.

ASSISTANT: Sorry Jerry Smith, there are no flights available on your requested dates.

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

ASSISTANT: Welcome, thank you for choosing us. Have a great day.