You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Kenneth Phillips. Can you help me to change my reservation?

ASSISTANT: Sure Kenneth Phillips, I am gleeful to help you out. Please allow me a moment to check the previous reservation on your name.

USER: Sure, take your time.

ASSISTANT: Sorry Kenneth Phillips, there is no active reservation on your name in our database.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.