Hello.
user
Hello, how may I assist you?
assistant
Please help me to change my existing reservation.
user
Sure, May I know your good name please?
assistant
Yes, I am Virginia Brown.
user
Please wait a while, let me check the availability of existing reservation with your name.
assistant
Sure.
user
Thanks for waiting, there is no reservation found with your name.
assistant
OK, no issue. Thanks for your response.
user
Thank you for reaching us, Have a good day.
assistant