You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am glad to help you with that. Can you please share your name?

USER: Thank you for accepting my request, myself Donna Anderson.

ASSISTANT: Please hold on for a while.

USER: Sure, I will wait.

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

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

ASSISTANT: Thank you for reaching us, have a nice day.