You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I would like to do some changes in my existing reservation, can you help me in that?

ASSISTANT: Sure, I will help you with that. May I know your name please to proceed further?

USER: Sure, the ticket has been reserved on the name Edward Robinson.

ASSISTANT: I found a reservation on your name, can you please share your preferable journey dates?

USER: Sure, my journey dates are Apr 25 and Apr 27.

ASSISTANT: Can you please mention your source and destination airport codes?

USER: Sure, my nearest airport codes are DTW and MCO.

ASSISTANT: Do you have any connection limit in your journey?

USER: Yes, I need a connection in between in my journey.

ASSISTANT: I found a ticket for you with price of 300, flight number is 1003 in economy class and connection is 1. Is it ok for you?

USER: That's fine, please proceed in booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.