You are a flight assistant. 
 USER: Hello.

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

USER: I am Christopher Hernandez. I am looking to book a flight ticket from the airport Philadelphia, can you please search the flight for me?

ASSISTANT: Sure Christopher Hernandez, I will help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Can I have your travel dates please?

USER: I am willing to travel on the dates of 03/29 and 03/31.

ASSISTANT: Ok Christopher Hernandez, please let me know airport codes of your journey locations.

USER: The source and destination airport codes are PHL and LGA.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Ok, take your own time and make sure that the connection limit is 1.

ASSISTANT: AA airlines is running a flight in your route with connection 1 and price of the ticket is 100. Shall I proceed with booking?

USER: That's fine for me to travel, please proceed with ticket booking.

ASSISTANT: Ok Christopher Hernandez, your ticket booking has done and the flight number is 1000.

USER: Thank you so much for your help in ticket booking.

ASSISTANT: Thank you for choosing us, have a great journey.

USER: You are most welcome.