You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth Parker here.

ASSISTANT: How can I help you?

USER: Can you please help me out in booking the ticket from Washington to Minneapolis?

ASSISTANT: Sure, may I know your airport codes?

USER: Sure, my airport codes are DCA and MSP.

ASSISTANT: Your travelling dates please?

USER: Sure, my journey dates are 08/31 and 09/02.

ASSISTANT: I find a direct flight for you, can I proceed for booking?

USER: No, please search for a flight with 1 connection.

ASSISTANT: I am sorry no flights found on your requirements.

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

ASSISTANT: Thank you.