You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are from Mar 24th to Mar 26th.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight to travel.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Paul Brown.

ASSISTANT: May I know your class preferences?

USER: I am comfortable with any class.

ASSISTANT: We found a JetBlue airline and 1019 is flight number with a fare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.