You are a flight assistant. 
 USER: Hi. Justin Lopez here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you change my flight ticket reservation?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation in your name. Can you share me your new airport codes?

USER: The airport codes are from MCO to LAX.

ASSISTANT: Can you help me with your trip dates?

USER: My travel dates are from July 27 to July 29.

ASSISTANT: Do you need any whistle stop in midway of your journey?

USER: Only one preference that is I am looking for a single connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a connecting flight with fare of 100 and 1027 flight number. Shall I proceed?

USER: I am fine with the airlines and fare. You can book the flight ticket.

ASSISTANT: Your reservation has been confirmed with Hawaiian Airlines in economy class and you will depart at 19:00 PM and arrive at 17:00 PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.