You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a flight ticket to DFW. Can you please help me for booking from DEN?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your travelling dates, please?

USER: My planned journey dates are on March 29 and 31.

ASSISTANT: Can I know your name please?

USER: Donald Allen here.

ASSISTANT: Do you have any other specifications?

USER: I need a connected flight.

ASSISTANT: There is a connecting flight-1002 available in Delta Airlines with a fare of 100. Shall I book it?

USER: Ok, please go ahead for booking.

ASSISTANT: Donald Allen, your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great day.