You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at present?

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

ASSISTANT: Sure, I am here to help you for booking. Can you please help me with your depart and arrival dates?

USER: My travelling dates are Apr 13 and Apr 15.

ASSISTANT: May I know your depart point?

USER: My source airport code is LGA.

ASSISTANT: Ok, Can I have your name please?

USER: Donna Evans.

ASSISTANT: Ok, Do you have any other specifications?

USER: I prefer single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: We found a flight in 1016 Spirit Airlines with a fare of 200. Can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Sure, your booking has been done in a connected flight.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.