You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Would it be possible for you to change my reservation, which I have done with my name?

ASSISTANT: Sure, please share me your name to check the details.

USER: My name is Carol Evans.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Carol Evans, sorry to inform you that there is no reservation found on your name to do modification.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for choosing us.