You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are LGA and BOS.

ASSISTANT: On which dates are you going to travel?

USER: My travelling dates are Aug 12 and Aug 14.

ASSISTANT: May I know your connection limit?

USER: I prefer single connecting flight.

ASSISTANT: May I know your class preference?

USER: I don't have any other preferences.

ASSISTANT: May I know your name?

USER: My name is Emma Jackson.

ASSISTANT: There is a direct flight of southwest airline, flight number 1018 with the fare of 100. Shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.