You are a flight assistant. 
 USER: Hi. I am Janet Turner.

ASSISTANT: Hello, how may I assist you now?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you help me?

ASSISTANT: Sure, I will help you. Are you looking for changing or cancellation?

USER: I need to change my reservation.

ASSISTANT: Ok, please wait for a few minutes.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation on your name.

USER: Ok.

ASSISTANT: Can you please share your new journey dates?

USER: 11/26 and 11/28 are my travelling dates.

ASSISTANT: Ok, let me know your selected airport codes.

USER: MCO and DEN are my airport codes.

ASSISTANT: As per your information, no flights were found based on your schedule.

USER: No issue. Thank  you.

ASSISTANT: Thank you for choosing us.