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, may I know your name?

USER: Thank you for accepting my request. Myself Shirley Miller.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry to say, no reservation found with your name.

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

ASSISTANT: Thanks for reaching us.