You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Moore.

ASSISTANT: How can I abet you?

USER: I want to amend my reservation due to an emergency. Can you aid me?

ASSISTANT: Sure. Please standby.

USER: Take your time.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.