You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a Marriage in Atlanta. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you please help me with your airport codes?

USER: My airport codes are JFK and ATL.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Nov 20 and Nov 22.

ASSISTANT: Do you need any class preference?

USER: I want to prefer economy class.

ASSISTANT: May I know your connection limit?

USER: I prefer single connecting flight.

ASSISTANT: Can I know your name, please?

USER: My name is Samantha Walker.

ASSISTANT: There is a flight on American airline, flight number 1004 with the fare of 100.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing our agency.