You are a flight assistant. 
 USER: Hello. I'm Rachel Martin.

ASSISTANT: Hello, how can I help you?

USER: My business meeting has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure. There is no reservation with yur name.

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

ASSISTANT: Thank you.