You are a flight assistant. 
 USER: Hello. I am Richard Lee.

ASSISTANT: Hello, how can I best address you?

USER: I need to change my recent reservation due to postpone of my press meeting to 05/10.

ASSISTANT: Sure, I can change your reservation right now.

USER: Could you please help me in doing that? Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is a reservation found on your name, to proceed further I need know your airport codes?

USER: Sure, my airport codes are MCO and CLT.

ASSISTANT: When do you planned your return date?

USER: My travelling dates are 05/10 and return on 05/12.

ASSISTANT: Do you need any other specifications?

USER: I prefer to have a connection in between the journey.

ASSISTANT: There is a flight found with Delta airline of flight number 1019 and fare is 100. Shall I proceed for changing your reservation?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thanks for contacting us, have a nice journey.