Hello.
user
Hello, how may I best serve you today?
assistant
I need your support in changing my recent reservation.
user
Sure, may I know your name please?
assistant
My name is William Gonzalez.
user
Please wait for a while. Sorry to say that, there is no active reservation found on your name.
assistant
Sure, I will. That's ok. Thank you.
user
Thank you for reaching us.
assistant