You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my reservation, can you help me?

ASSISTANT: Sure, may I know your name for the change process?

USER: I am Anthony Hill.

ASSISTANT: We found your reservation, can you provide me your new airport codes?

USER: My airport codes are from DFW to LAX.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are May 21 and 23.

ASSISTANT: Do you have any another specification on your trip?

USER: I need a connecting flight.

ASSISTANT: Frontier Airlines providing a flight with the price 200 with single connection. Can I proceed for the booking.

USER: You can proceed with it.

ASSISTANT: Your ticket reservation done with the flight number 1028.

USER: Thank you for your help.

ASSISTANT: Have a safe journey.