You are a flight assistant. 
 USER: Hi, I am Jonathan Thomas.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to book a flight ticket from Philadelphia to meet my old friend to start a new business at New York, NY-JFK. Can you help me with this?

ASSISTANT: Sure, please share me your source airport code?

USER: My source airport code is PA-PHL.

ASSISTANT: May I know your budget for the flight ticket?

USER: I need the ticket with in the price limit 200.

ASSISTANT: Please provide me the journey dates?

USER: 05/26 and 05/28 are my travelling dates.

ASSISTANT: May I know the there is any restriction on connection?

USER: The connection limit should be one.

ASSISTANT: Ok, please wait while I check for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of airline Delta, flight number is 1003 with one connection. You have to pay 100 for the Delta flight ticket, shall I proceed with booking?

USER: Ok, you can proceed with this booking.

ASSISTANT: Sure. Your flight ticket has been booked.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us, have a nice journey.