You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Eric Wilson. I want to change my reservation as my plan to meet my friend got extended, can you please help?

ASSISTANT: Sure, please allow me a moment to check for your previous reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting. There is  no active reservation have been found under your name in our database to amend it.

USER: Not an issue, thank you anyway.

ASSISTANT: Thank you for reaching us.