You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you today?

USER: I am looking to book a flight ticket from CLT to EWR. Can you help me for that?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are Apr 19 and Apr 21.

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

USER: My name is Justin Adams.

ASSISTANT: May I know your class preferences?

USER: Any class is fine for me.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: We found a Southwest airline and 1017 is flight number with a fare of 100. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for booking.