Hello.
user
Hello, how may I assist you?
assistant
I would like to change my reservation, could you help me out?
user
Sure, may I know your good name please? Ok, please wait for a moment.
assistant
Sure, take your time. My name is Jack Walker.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
That's ok. Thank you for your time.
user
Thank you for approaching us.
assistant