You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Joseph Carter.

ASSISTANT: How can I guide you today?

USER: Can you please change my reservation, due to postpone of my meeting with client?

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: I have found your reservation, Can you please tell me your new travelling airport codes?

USER: My airport codes are, CLT to MCO.

ASSISTANT: May I know your new travelling dates?

USER: My journey dates are on July 4th and 6th,. And my depart time should be in the afternoon.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in jetBlue airlines and the fare of your ticket will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, proceed.

ASSISTANT: Ok, your ticket is altered to 1013 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.