Hi.
user
Please let me know, what kind of service your looking for?
assistant
I need to amend my reservation, can you help me out?
user
Sure, we are gleeful to help you.
assistant
Thank you.
user
May I know your good name?
assistant
Myself Nicholas Smith.
user
Please hold for a moment. Sorry to say that, there is no active reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for communicating with  us.
assistant