You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: Myself Cynthia Rodriguez. I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I will help you with that Cynthia.

USER: Thank you for accepting my request.

ASSISTANT: I regret to say that, there are no active reservation with your name to change.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day.