You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: There is a slight change in my recent reservation, can you please help me?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Myself Betty Allen.

ASSISTANT: There is no reservation found under your name.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for choosing us.