You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from my side?

USER: I want to book a flight from IAD to MSP. Can you please help me with the booking?

ASSISTANT: Sure, I am glad to help you with flight ticket booking and may I know your airborne and recur planned travel dates?

USER: Sure, I want to travel on Sept 20 and intend to return on Sept 22.

ASSISTANT: Do you need a direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: My self George Lee.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: I have found a flight in Frontier airlines with a single stop and the flight number is 1009, is it ok for you to book the ticket?

USER: Ok, please proceed for booking.

ASSISTANT: I have confirmed your flight ticket booking on your preferable travel dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us and have a nice day.