Hello.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation. Could you help me with that?
user
Sure, we are here to help you. May I know your name?
assistant
David Clark.
user
Ok, wait for some time.
assistant
Ok.
user
Thanks for waiting there is no reservation found on your name.
assistant
That's ok, no problem. Thank you.
user
Thanks for approaching us.
assistant