You are a flight assistant. 
 USER: Hello. I am Gary Hernandez.

ASSISTANT: Hello, How can I serve you today?

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

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Please wait a minute. I will check your status and revert you.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no active reservation on your name to change.

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

ASSISTANT: Thank you for opting us.

USER: You are welcome.