You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please assist me in booking a flight ticket from IAD to MSP.

ASSISTANT: Ok, may I know your trip dates?

USER: My trip dates are from June 12th to June 14th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please specify your other needs?

USER: No other preferences.

ASSISTANT: May I know your name?

USER: I am Cynthia Hernandez.

ASSISTANT: Flight-1009 is available for you by Hawaiian Airlines with 1 connection. Can I book it?

USER: Yes, please proceed.

ASSISTANT: Booking done, thank you for choosing us.

USER: Thank you.

ASSISTANT: Have a nice day.