You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: Can you please help me in changing my existing reservation?

ASSISTANT: Sure, let me know your name please?

USER: My name is Rebecca Johnson.

ASSISTANT: Reservation found on your name, can you share your new airport codes?

USER: My airport codes of journey are from JFK to PHL.

ASSISTANT: Ok, when are you willing to travel?

USER: My planned dates of journey are Oct 22 and Oct 24.

ASSISTANT: Do you have any requirements you need for the journey?

USER: I prefer connecting flight for this trip.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Southwest Airlines has a connecting flight with number 1005 for fare 100 with an economy class seat, shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Your booking is reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for connecting with us.