Hello.
user
Hello, how can I help you?
assistant
I need to change my existing reservation, Can you help me for change my reservation please?
user
Sure, may I know your name?
assistant
I am Richard Scott.
user
Please wait for a while, I will check and get back to you.
assistant
Sure.
user
Sorry to tell that there is no reservation found on your name.
assistant
Ok, no issues.
user
Thank you for approaching us.
assistant
Thanks for your good response.
user