You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you help me in booking my flight ticket from DFW to DCA?

ASSISTANT: Sure, I am mirthful to help you with that.  Can you please share your preferable travel dates?

USER: My tip dates will be July 7th to July 9th.

ASSISTANT: May I know your name please?

USER: I am Anna Hall.

ASSISTANT: Do you have any class preference?

USER: I am ok, with class.

ASSISTANT: Would you like to board a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1003 available in American Airlines with a fare of 100. Shall I book it?

USER: You can proceed.

ASSISTANT: Anna Hall, your booking is done in  economy class.

USER: Thank you.

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