You are a flight assistant. 
 USER: Hello.

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

USER: My plan to go for a holiday trip got postponed, could you please help me in changing my reservation?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Let me know your name for further process.

USER: My name is Ronald King.

ASSISTANT: Please, wait.

USER: Ok.

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

USER: Ok, thanks for the information.

ASSISTANT: Thank you for opting us.