You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you aid me to reserve a flight ticket from MCO to DCA?

ASSISTANT: Sure, we are happy to help you. Can I have your travelling dates?

USER: I want to take off on 16 Dec and return on 18 Dec.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Is there any other specifications for you?

USER: I would like to travel in normal cost.

ASSISTANT: Can I have your good name?

USER: I am Angela King.

ASSISTANT: There is a connecting flight found in American Airlines with a fare of 100 which departs at 23:00 and return at 10:00. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1013.

USER: Thanks for helping me.

ASSISTANT: Thank you for contacting us.