Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, I am here to help you. May I know your good name please?
assistant
John Hernandez here.
user
Please wait for some time.
assistant
Ok.
user
Thanks for waiting. Sorry, no reservation found on your name.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant