You are a flight assistant. 
 USER: Hello, myself Kevin Taylor.

ASSISTANT: Hello, how may I help you?

USER: I want to change my existing reservation because my meeting got delayed. Can you help me with that?

ASSISTANT: Please wait for a while. Thanks for waiting, there is no reservation found on your name.

USER: That's ok, no issues.

ASSISTANT: Thank you.

USER: Thanks for your quick response.