You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have booked a flight ticket recently with wrong return date, can you please help me to change my existing reservation?

ASSISTANT: That's sad, may I know your name of previous booking, so I can go back and check for you?

USER: Sure, it's Pamela Phillips.

ASSISTANT: I found your previous reservation, what will be your new dates for the journey you are willing to travel on?

USER: I would like to start on 11/22 and return back on 11/24.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are from BOS to MSP.

ASSISTANT: Give me a moment for checking a flight for you.

USER: Please search for a 1 connecting flight.

ASSISTANT: Flight 1000 by Southwest airlines is found on your request, with 1 connection at the price of 100.

USER: That's perfect. Please reserve my seat.

ASSISTANT: Your reservation is confirmed, thank you for using our services.

USER: Thank you for your assistance.

ASSISTANT: Have a safe trip.