You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Michelle Thompson. I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in our database to change.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are most welcome.