You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am planning to visit New York, will you help me in booking the flight ticket form PHL on Jan 03?

ASSISTANT: Sure, I will help you with that.  Can I have your return details too?

USER: I would like to return on Jan 05.

ASSISTANT: That is fine. Can I have the airport code of your destination?

USER: My destination airport code is LGA.

ASSISTANT: Do you  prefer any specific class to travel?

USER: No, thank you for asking.

ASSISTANT: Are you looking for any connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Ok, please let me know your good name to proceed further.

USER: Myself Helen Thomas.

ASSISTANT: Ok, please be on hold for a moment.

USER: Ok, I will wait.

ASSISTANT: Southwest airlines running a flight in your route with connection 1 and the ticket fare is 100 in economy class. Shall I proceed with booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok Helen Thomas, your ticket booking has done and the flight number is 1013.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.