You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to change my reservation as I am unwell, can you please help me?

ASSISTANT: Sure, please share me your good name.

USER: My name is Kathleen Anderson.

ASSISTANT: Please standby.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for opting us.