Hello.
user
Hello, how may I help you today?
assistant
Could you help me to amend my existing reservation?
user
Sure, may I know your good name?
assistant
I am David Carter.
user
Ok, please wait for a minute.
assistant
Sure.
user
Thanks for waiting, there is no active reservation found on your name.
assistant
No problem, thanks for the information.
user
Thank you for reaching us.
assistant