You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: Due to sudden changes, my meeting has been postponed. Can you please help me to change reservation?

ASSISTANT: Sure, we are here to aid you. Let me know your name.

USER: Ok. Deborah Baker here.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: Thanks for waiting. There is no reservation found on your name in our database.

USER: Not an issue, thank you.

ASSISTANT: Thank you for opting us.