Hello.
user
Hello, how may I help you?
assistant
I am willing to change my existing reservation. Can you please help me for this?
user
Sure, please share your good name?
assistant
Myself Anna Scott.
user
Please wait for a while.
assistant
Sure, I will wait for your response.
user
Sorry, no reservation found on your given name.
assistant
Not a big deal, anyhow thank you very much for checking the reservation status.
user
Thank you for choosing us.
assistant