You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency, my live concert got postponed, so I want you to change my existing reservation.

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

USER: Sure, Gary Jones here.

ASSISTANT: I found your change reservation, can you confirm your planned travel dates?

USER: Sure, my scheduled dates are Sep 13 and Sep 15.

ASSISTANT: May I know your planned airport codes please?

USER: Sure, I want to depart from SEA to ATL.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer maximum 1 connection.

ASSISTANT: Do you have any another specifications on your journey?

USER: I want to fly in a economy class.

ASSISTANT: Hawaiian  Airlines providing a flight with the price 200 with single connection and it's in economy class only.  Can I proceed for the booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket reservation done with the flight number 1017.

USER: Thank you for your assistance.