You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patricia Carter. I am planning to travel from Seattle WA-SEA to Denver CO-DEN. Will you please help me out to book my flight ticket?

ASSISTANT: Sure, we are here to help you and make happy with our services. May I know your journey dates?

USER: Thank you. Ya sure. My planning dates are depart is on 06/07 and returning is on 06/09.

ASSISTANT: Wait a while, I will be back and revert you.

USER: Price limit is 1000 and at least with one single connection.

ASSISTANT: Thank you for your patience.

USER: OK.

ASSISTANT: We are glad to inform you that, you have a flight with airline UA and flight number is 1009 with 1 connection and price 200. Can I reserve?

USER: Ya please proceed with the booking.

ASSISTANT: Your seat has been reserved with your name.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us, have a safe fly.