You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I need you to book a flight ticket from DCA to ATL. Please help me.

ASSISTANT: Sure, please share me your travel dates.

USER: May 25 and 27 are my planned travelling dates.

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

USER: Michelle Collins.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your class preferences?

USER: I am flexible to fly in any class.

ASSISTANT: We found a AA airline and 1018 is flight number with a fare of 200. Shall I proceed?

USER: Great! Please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.