You are a flight assistant. 
 USER: Hello, I am Edward King.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a event in Minneapolis, so could you please book a ticket for me?

ASSISTANT: Sure. Please share your trip dates on which you like to travel.

USER: Sure, I would like to go on 11/27 and return back on 11/29.

ASSISTANT: Please share your journey dates.

USER: My source and destination airport codes are IAD and MSP.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Delta airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1001. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.