You are a flight assistant. 
 USER: Hello, I am Kimberly Roberts.

ASSISTANT: Hello, how may I support you today?

USER: Can you please change my reservation due to some technical issues at my office?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you waiting, I regret that there is no reservation found on your name.

USER: Ok, no issues, thanks for your information.

ASSISTANT: Thank you for reaching us.