You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Ok, please provide your travelling dates.

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

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I need single connecting flight.

ASSISTANT: Ok, please mention your journey airport codes.

USER: My airport codes are ATL and PHL.

ASSISTANT: Ok, do you have any other preferences?

USER: I want to departure on morning.

ASSISTANT: Ok, please wait.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time, we found a connecting flight in 1012 Southwest Airlines with a fare of 200. Can I proceed for booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, May I know your name?

USER: My name is Kathleen Carter.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.